---
_id: '1758'
abstract:
- lang: eng
text: We studied the low-energy states of spin-1/2 quantum dots defined in InAs/InP
nanowires and coupled to aluminum superconducting leads. By varying the superconducting
gap Δ with a magnetic field B we investigated the transition from strong coupling
Δ≪T K to weak-coupling Δ≫T K, where T K is the Kondo temperature. Below the critical
field, we observe a persisting zero-bias Kondo resonance that vanishes only for
low B or higher temperatures, leaving the room to more robust subgap structures
at bias voltages between Δ and 2Δ. For strong and approximately symmetric tunnel
couplings, a Josephson supercurrent is observed in addition to the Kondo peak.
We ascribe the coexistence of a Kondo resonance and a superconducting gap to a
significant density of intragap quasiparticle states, and the finite-bias subgap
structures to tunneling through Shiba states. Our results, supported by numerical
calculations, own relevance also in relation to tunnel-spectroscopy experiments
aiming at the observation of Majorana fermions in hybrid nanostructures.
acknowledgement: This work was supported by the EU Marie Curie program and by the
Agence Nationale de la Recherche. R. A. acknowledges support from the Spanish Ministry
of Science and Innovation through Grant No. FIS2009-08744
author:
- first_name: Eduardo
full_name: Lee, Eduardo J
last_name: Lee
- first_name: Xiaocheng
full_name: Jiang, Xiaocheng
last_name: Jiang
- first_name: Ramón
full_name: Aguado, Ramón
last_name: Aguado
- first_name: Georgios
full_name: Georgios Katsaros
id: 38DB5788-F248-11E8-B48F-1D18A9856A87
last_name: Katsaros
- first_name: Charles
full_name: Lieber, Charles M
last_name: Lieber
- first_name: Silvano
full_name: De Franceschi, Silvano
last_name: De Franceschi
citation:
ama: Lee E, Jiang X, Aguado R, Katsaros G, Lieber C, De Franceschi S. Zero-bias
anomaly in a nanowire quantum dot coupled to superconductors. Physical Review
Letters. 2012;109(18). doi:10.1103/PhysRevLett.109.186802
apa: Lee, E., Jiang, X., Aguado, R., Katsaros, G., Lieber, C., & De Franceschi,
S. (2012). Zero-bias anomaly in a nanowire quantum dot coupled to superconductors.
Physical Review Letters. American Physical Society. https://doi.org/10.1103/PhysRevLett.109.186802
chicago: Lee, Eduardo, Xiaocheng Jiang, Ramón Aguado, Georgios Katsaros, Charles
Lieber, and Silvano De Franceschi. “Zero-Bias Anomaly in a Nanowire Quantum Dot
Coupled to Superconductors.” Physical Review Letters. American Physical
Society, 2012. https://doi.org/10.1103/PhysRevLett.109.186802.
ieee: E. Lee, X. Jiang, R. Aguado, G. Katsaros, C. Lieber, and S. De Franceschi,
“Zero-bias anomaly in a nanowire quantum dot coupled to superconductors,” Physical
Review Letters, vol. 109, no. 18. American Physical Society, 2012.
ista: Lee E, Jiang X, Aguado R, Katsaros G, Lieber C, De Franceschi S. 2012. Zero-bias
anomaly in a nanowire quantum dot coupled to superconductors. Physical Review
Letters. 109(18).
mla: Lee, Eduardo, et al. “Zero-Bias Anomaly in a Nanowire Quantum Dot Coupled to
Superconductors.” Physical Review Letters, vol. 109, no. 18, American Physical
Society, 2012, doi:10.1103/PhysRevLett.109.186802.
short: E. Lee, X. Jiang, R. Aguado, G. Katsaros, C. Lieber, S. De Franceschi, Physical
Review Letters 109 (2012).
date_created: 2018-12-11T11:53:51Z
date_published: 2012-10-31T00:00:00Z
date_updated: 2021-01-12T06:53:01Z
day: '31'
doi: 10.1103/PhysRevLett.109.186802
extern: 1
intvolume: ' 109'
issue: '18'
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1207.1259
month: '10'
oa: 1
publication: Physical Review Letters
publication_status: published
publisher: American Physical Society
publist_id: '5366'
quality_controlled: 0
status: public
title: Zero-bias anomaly in a nanowire quantum dot coupled to superconductors
type: journal_article
volume: 109
year: '2012'
...
---
_id: '1782'
abstract:
- lang: eng
text: Steering a quantum harmonic oscillator state along cyclic trajectories leads
to a path-dependent geometric phase. Here we describe its experimental observation
in an electronic harmonic oscillator. We use a superconducting qubit as a nonlinear
probe of the phase, which is otherwise unobservable due to the linearity of the
oscillator. We show that the geometric phase is, for a variety of cyclic paths,
proportional to the area enclosed in the quadrature plane. At the transition to
the nonadiabatic regime, we study corrections to the phase and dephasing of the
qubit caused by qubit-resonator entanglement. In particular, we identify parameters
for which this dephasing mechanism is negligible even in the nonadiabatic regime.
The demonstrated controllability makes our system a versatile tool to study geometric
phases in open quantum systems and to investigate their potential for quantum
information processing.
acknowledgement: This work is supported by the EU project GEOMDISS, the Austrian Science
Foundation (S. F.), and the Swiss National Science Foundation (SNSF)
author:
- first_name: M
full_name: Pechal, M
last_name: Pechal
- first_name: Stefan
full_name: Berger, Stefan T
last_name: Berger
- first_name: Abdufarrukh
full_name: Abdumalikov, Abdufarrukh A
last_name: Abdumalikov
- first_name: Johannes M
full_name: Johannes Fink
id: 4B591CBA-F248-11E8-B48F-1D18A9856A87
last_name: Fink
orcid: 0000-0001-8112-028X
- first_name: Jonas
full_name: Mlynek, Jonas A
last_name: Mlynek
- first_name: L.
full_name: Steffen, L. Kraig
last_name: Steffen
- first_name: Andreas
full_name: Wallraff, Andreas
last_name: Wallraff
- first_name: Stefan
full_name: Filipp, Stefan
last_name: Filipp
citation:
ama: Pechal M, Berger S, Abdumalikov A, et al. Geometric phase and nonadiabatic
effects in an electronic harmonic oscillator. Physical Review Letters.
2012;108(17). doi:10.1103/PhysRevLett.108.170401
apa: Pechal, M., Berger, S., Abdumalikov, A., Fink, J. M., Mlynek, J., Steffen,
L., … Filipp, S. (2012). Geometric phase and nonadiabatic effects in an electronic
harmonic oscillator. Physical Review Letters. American Physical Society.
https://doi.org/10.1103/PhysRevLett.108.170401
chicago: Pechal, M, Stefan Berger, Abdufarrukh Abdumalikov, Johannes M Fink, Jonas
Mlynek, L. Steffen, Andreas Wallraff, and Stefan Filipp. “Geometric Phase and
Nonadiabatic Effects in an Electronic Harmonic Oscillator.” Physical Review
Letters. American Physical Society, 2012. https://doi.org/10.1103/PhysRevLett.108.170401.
ieee: M. Pechal et al., “Geometric phase and nonadiabatic effects in an electronic
harmonic oscillator,” Physical Review Letters, vol. 108, no. 17. American
Physical Society, 2012.
ista: Pechal M, Berger S, Abdumalikov A, Fink JM, Mlynek J, Steffen L, Wallraff
A, Filipp S. 2012. Geometric phase and nonadiabatic effects in an electronic harmonic
oscillator. Physical Review Letters. 108(17).
mla: Pechal, M., et al. “Geometric Phase and Nonadiabatic Effects in an Electronic
Harmonic Oscillator.” Physical Review Letters, vol. 108, no. 17, American
Physical Society, 2012, doi:10.1103/PhysRevLett.108.170401.
short: M. Pechal, S. Berger, A. Abdumalikov, J.M. Fink, J. Mlynek, L. Steffen, A.
Wallraff, S. Filipp, Physical Review Letters 108 (2012).
date_created: 2018-12-11T11:53:59Z
date_published: 2012-04-23T00:00:00Z
date_updated: 2021-01-12T06:53:10Z
day: '23'
doi: 10.1103/PhysRevLett.108.170401
extern: 1
intvolume: ' 108'
issue: '17'
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1109.1157
month: '04'
oa: 1
publication: Physical Review Letters
publication_status: published
publisher: American Physical Society
publist_id: '5333'
quality_controlled: 0
status: public
title: Geometric phase and nonadiabatic effects in an electronic harmonic oscillator
type: journal_article
volume: 108
year: '2012'
...
---
_id: '1783'
abstract:
- lang: eng
text: Nonlinearity and entanglement are two important properties by which physical
systems can be identified as nonclassical. We study the dynamics of the resonant
interaction of up to N=3 two-level systems and a single mode of the electromagnetic
field sharing a single excitation dynamically. We observe coherent vacuum Rabi
oscillations and their nonlinear √N speedup by tracking the populations of all
qubits and the resonator in time. We use quantum state tomography to show explicitly
that the dynamics generates maximally entangled states of the W class in a time
limited only by the collective interaction rate. We use an entanglement witness
and the 3-tangle to characterize the state whose fidelity F=78% is limited in
our experiments by crosstalk arising during the simultaneous qubit manipulations
which is absent in a sequential approach with F=91%.
acknowledgement: This work was supported by the Swiss National Science Foundation
(SNF) and the EU IP SOLID
author:
- first_name: Jonas
full_name: Mlynek, Jonas A
last_name: Mlynek
- first_name: Abdufarrukh
full_name: Abdumalikov, Abdufarrukh A
last_name: Abdumalikov
- first_name: Johannes M
full_name: Johannes Fink
id: 4B591CBA-F248-11E8-B48F-1D18A9856A87
last_name: Fink
orcid: 0000-0001-8112-028X
- first_name: L.
full_name: Steffen, L. Kraig
last_name: Steffen
- first_name: Matthias
full_name: Baur, Matthias P
last_name: Baur
- first_name: C
full_name: Lang, C
last_name: Lang
- first_name: Arjan
full_name: Van Loo, Arjan F
last_name: Van Loo
- first_name: Andreas
full_name: Wallraff, Andreas
last_name: Wallraff
citation:
ama: Mlynek J, Abdumalikov A, Fink JM, et al. Demonstrating W-type entanglement
of Dicke states in resonant cavity quantum electrodynamics. Physical Review
A - Atomic, Molecular, and Optical Physics. 2012;86(5). doi:10.1103/PhysRevA.86.053838
apa: Mlynek, J., Abdumalikov, A., Fink, J. M., Steffen, L., Baur, M., Lang, C.,
… Wallraff, A. (2012). Demonstrating W-type entanglement of Dicke states in resonant
cavity quantum electrodynamics. Physical Review A - Atomic, Molecular, and
Optical Physics. American Physical Society. https://doi.org/10.1103/PhysRevA.86.053838
chicago: Mlynek, Jonas, Abdufarrukh Abdumalikov, Johannes M Fink, L. Steffen, Matthias
Baur, C Lang, Arjan Van Loo, and Andreas Wallraff. “Demonstrating W-Type Entanglement
of Dicke States in Resonant Cavity Quantum Electrodynamics.” Physical Review
A - Atomic, Molecular, and Optical Physics. American Physical Society, 2012.
https://doi.org/10.1103/PhysRevA.86.053838.
ieee: J. Mlynek et al., “Demonstrating W-type entanglement of Dicke states
in resonant cavity quantum electrodynamics,” Physical Review A - Atomic, Molecular,
and Optical Physics, vol. 86, no. 5. American Physical Society, 2012.
ista: Mlynek J, Abdumalikov A, Fink JM, Steffen L, Baur M, Lang C, Van Loo A, Wallraff
A. 2012. Demonstrating W-type entanglement of Dicke states in resonant cavity
quantum electrodynamics. Physical Review A - Atomic, Molecular, and Optical Physics.
86(5).
mla: Mlynek, Jonas, et al. “Demonstrating W-Type Entanglement of Dicke States in
Resonant Cavity Quantum Electrodynamics.” Physical Review A - Atomic, Molecular,
and Optical Physics, vol. 86, no. 5, American Physical Society, 2012, doi:10.1103/PhysRevA.86.053838.
short: J. Mlynek, A. Abdumalikov, J.M. Fink, L. Steffen, M. Baur, C. Lang, A. Van
Loo, A. Wallraff, Physical Review A - Atomic, Molecular, and Optical Physics 86
(2012).
date_created: 2018-12-11T11:53:59Z
date_published: 2012-11-30T00:00:00Z
date_updated: 2021-01-12T06:53:10Z
day: '30'
doi: 10.1103/PhysRevA.86.053838
extern: 1
intvolume: ' 86'
issue: '5'
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1202.5191
month: '11'
oa: 1
publication: Physical Review A - Atomic, Molecular, and Optical Physics
publication_status: published
publisher: American Physical Society
publist_id: '5332'
quality_controlled: 0
status: public
title: Demonstrating W-type entanglement of Dicke states in resonant cavity quantum
electrodynamics
type: journal_article
volume: 86
year: '2012'
...
---
_id: '1784'
abstract:
- lang: eng
text: A localized qubit entangled with a propagating quantum field is well suited
to study nonlocal aspects of quantum mechanics and may also provide a channel
to communicate between spatially separated nodes in a quantum network. Here, we
report the on-demand generation and characterization of Bell-type entangled states
between a superconducting qubit and propagating microwave fields composed of zero-,
one-, and two-photon Fock states. Using low noise linear amplification and efficient
data acquisition we extract all relevant correlations between the qubit and the
photon states and demonstrate entanglement with high fidelity.
acknowledgement: This work was supported by the European Research Council (ERC) through
a Starting Grant and by ETHZ
author:
- first_name: Christopher
full_name: Eichler, Christopher
last_name: Eichler
- first_name: C
full_name: Lang, C
last_name: Lang
- first_name: Johannes M
full_name: Johannes Fink
id: 4B591CBA-F248-11E8-B48F-1D18A9856A87
last_name: Fink
orcid: 0000-0001-8112-028X
- first_name: J
full_name: Govenius, J
last_name: Govenius
- first_name: Stefan
full_name: Filipp, Stefan
last_name: Filipp
- first_name: Andreas
full_name: Wallraff, Andreas
last_name: Wallraff
citation:
ama: Eichler C, Lang C, Fink JM, Govenius J, Filipp S, Wallraff A. Observation of
entanglement between itinerant microwave photons and a superconducting qubit.
Physical Review Letters. 2012;109(24). doi:10.1103/PhysRevLett.109.240501
apa: Eichler, C., Lang, C., Fink, J. M., Govenius, J., Filipp, S., & Wallraff,
A. (2012). Observation of entanglement between itinerant microwave photons and
a superconducting qubit. Physical Review Letters. American Physical Society.
https://doi.org/10.1103/PhysRevLett.109.240501
chicago: Eichler, Christopher, C Lang, Johannes M Fink, J Govenius, Stefan Filipp,
and Andreas Wallraff. “Observation of Entanglement between Itinerant Microwave
Photons and a Superconducting Qubit.” Physical Review Letters. American
Physical Society, 2012. https://doi.org/10.1103/PhysRevLett.109.240501.
ieee: C. Eichler, C. Lang, J. M. Fink, J. Govenius, S. Filipp, and A. Wallraff,
“Observation of entanglement between itinerant microwave photons and a superconducting
qubit,” Physical Review Letters, vol. 109, no. 24. American Physical Society,
2012.
ista: Eichler C, Lang C, Fink JM, Govenius J, Filipp S, Wallraff A. 2012. Observation
of entanglement between itinerant microwave photons and a superconducting qubit.
Physical Review Letters. 109(24).
mla: Eichler, Christopher, et al. “Observation of Entanglement between Itinerant
Microwave Photons and a Superconducting Qubit.” Physical Review Letters,
vol. 109, no. 24, American Physical Society, 2012, doi:10.1103/PhysRevLett.109.240501.
short: C. Eichler, C. Lang, J.M. Fink, J. Govenius, S. Filipp, A. Wallraff, Physical
Review Letters 109 (2012).
date_created: 2018-12-11T11:53:59Z
date_published: 2012-12-10T00:00:00Z
date_updated: 2021-01-12T06:53:10Z
day: '10'
doi: 10.1103/PhysRevLett.109.240501
extern: 1
intvolume: ' 109'
issue: '24'
main_file_link:
- open_access: '0'
url: http://arxiv.org/abs/1209.0441
month: '12'
publication: Physical Review Letters
publication_status: published
publisher: American Physical Society
publist_id: '5330'
quality_controlled: 0
status: public
title: Observation of entanglement between itinerant microwave photons and a superconducting
qubit
type: journal_article
volume: 109
year: '2012'
...
---
_id: '1801'
abstract:
- lang: eng
text: Brain circuits are assembled from a large variety of morphologically and functionally
diverse cell types. It is not known how the intermingled cell types of an individual
adult brain region differ in their expressed genomes. Here we describe an atlas
of cell type transcriptomes in one brain region, the mouse retina. We found that
each adult cell type expressed a specific set of genes, including a unique set
of transcription factors, forming a 'barcode' for cell identity. Cell type transcriptomes
carried enough information to categorize cells into morphological classes and
types. Several genes that were specifically expressed in particular retinal circuit
elements, such as inhibitory neuron types, are associated with eye diseases. The
resource described here allows gene expression to be compared across adult retinal
cell types, experimenting with specific transcription factors to differentiate
stem or somatic cells to retinal cell types, and predicting cellular targets of
newly discovered disease-associated genes.
acknowledgement: The study was supported by Friedrich Miescher Institute funds, Alcon
award, a National Center of Competence in Research Genetics grant, a European Research
Council grant, a Swiss-Hungarian grant, and RETICIRC, TREATRUSH, SEEBETTER and OPTONEURO
grants from the European Union to B.R.
author:
- first_name: Sandra
full_name: Sandra Siegert
id: 36ACD32E-F248-11E8-B48F-1D18A9856A87
last_name: Siegert
orcid: 0000-0001-8635-0877
- first_name: Erik
full_name: Cabuy, Erik
last_name: Cabuy
- first_name: Brigitte
full_name: Scherf, Brigitte G
last_name: Scherf
- first_name: Hubertus
full_name: Kohler, Hubertus
last_name: Kohler
- first_name: Satchidananda
full_name: Panda, Satchidananda
last_name: Panda
- first_name: Yunzheng
full_name: Le, Yunzheng
last_name: Le
- first_name: Hans
full_name: Fehling, Hans J
last_name: Fehling
- first_name: Dimos
full_name: Gaidatzis, Dimos
last_name: Gaidatzis
- first_name: Michael
full_name: Stadler, Michael B
last_name: Stadler
- first_name: Botond
full_name: Roska, Botond M
last_name: Roska
citation:
ama: Siegert S, Cabuy E, Scherf B, et al. Transcriptional code and disease map for
adult retinal cell types. Nature Neuroscience. 2012;15(3):487-495. doi:10.1038/nn.3032
apa: Siegert, S., Cabuy, E., Scherf, B., Kohler, H., Panda, S., Le, Y., … Roska,
B. (2012). Transcriptional code and disease map for adult retinal cell types.
Nature Neuroscience. Nature Publishing Group. https://doi.org/10.1038/nn.3032
chicago: Siegert, Sandra, Erik Cabuy, Brigitte Scherf, Hubertus Kohler, Satchidananda
Panda, Yunzheng Le, Hans Fehling, Dimos Gaidatzis, Michael Stadler, and Botond
Roska. “Transcriptional Code and Disease Map for Adult Retinal Cell Types.” Nature
Neuroscience. Nature Publishing Group, 2012. https://doi.org/10.1038/nn.3032.
ieee: S. Siegert et al., “Transcriptional code and disease map for adult
retinal cell types,” Nature Neuroscience, vol. 15, no. 3. Nature Publishing
Group, pp. 487–495, 2012.
ista: Siegert S, Cabuy E, Scherf B, Kohler H, Panda S, Le Y, Fehling H, Gaidatzis
D, Stadler M, Roska B. 2012. Transcriptional code and disease map for adult retinal
cell types. Nature Neuroscience. 15(3), 487–495.
mla: Siegert, Sandra, et al. “Transcriptional Code and Disease Map for Adult Retinal
Cell Types.” Nature Neuroscience, vol. 15, no. 3, Nature Publishing Group,
2012, pp. 487–95, doi:10.1038/nn.3032.
short: S. Siegert, E. Cabuy, B. Scherf, H. Kohler, S. Panda, Y. Le, H. Fehling,
D. Gaidatzis, M. Stadler, B. Roska, Nature Neuroscience 15 (2012) 487–495.
date_created: 2018-12-11T11:54:05Z
date_published: 2012-03-01T00:00:00Z
date_updated: 2021-01-12T06:53:17Z
day: '01'
doi: 10.1038/nn.3032
extern: 1
intvolume: ' 15'
issue: '3'
month: '03'
page: 487 - 495
publication: Nature Neuroscience
publication_status: published
publisher: Nature Publishing Group
publist_id: '5309'
quality_controlled: 0
status: public
title: Transcriptional code and disease map for adult retinal cell types
type: journal_article
volume: 15
year: '2012'
...
---
_id: '1972'
abstract:
- lang: eng
text: Outer membrane protein F, a major component of the Escherichia coli outer
membrane, was crystallized for the first time in lipidic mesophase of monoolein
in novel space groups, P1 and H32. Due to ease of its purification and crystallization
OmpF can be used as a benchmark protein for establishing membrane protein crystallization
in meso, as a "membrane lyzozyme" The packing of porin trimers in the
crystals of space group H32 is similar to natural outer membranes, providing the
first high-resolution insight into the close to native packing of OmpF. Surprisingly,
interaction between trimers is mediated exclusively by lipids, without direct
protein-protein contacts. Multiple ordered lipids are observed and many of them
occupy identical positions independently of the space group, identifying preferential
interaction sites of lipid acyl chains. Presence of ordered aliphatic chains close
to a positively charged area on the porin surface suggests a position for a lipopolysaccharide
binding site on the surface of the major E. coli porins.
acknowledgement: This work was funded by the Medical Research Council.
author:
- first_name: Rouslan
full_name: Efremov, Rouslan G
last_name: Efremov
- first_name: Leonid A
full_name: Leonid Sazanov
id: 338D39FE-F248-11E8-B48F-1D18A9856A87
last_name: Sazanov
orcid: 0000-0002-0977-7989
citation:
ama: Efremov R, Sazanov LA. Structure of Escherichia coli OmpF porin from lipidic
mesophase. Journal of Structural Biology. 2012;178(3):311-318. doi:10.1016/j.jsb.2012.03.005
apa: Efremov, R., & Sazanov, L. A. (2012). Structure of Escherichia coli OmpF
porin from lipidic mesophase. Journal of Structural Biology. Academic Press.
https://doi.org/10.1016/j.jsb.2012.03.005
chicago: Efremov, Rouslan, and Leonid A Sazanov. “Structure of Escherichia Coli
OmpF Porin from Lipidic Mesophase.” Journal of Structural Biology. Academic
Press, 2012. https://doi.org/10.1016/j.jsb.2012.03.005.
ieee: R. Efremov and L. A. Sazanov, “Structure of Escherichia coli OmpF porin from
lipidic mesophase,” Journal of Structural Biology, vol. 178, no. 3. Academic
Press, pp. 311–318, 2012.
ista: Efremov R, Sazanov LA. 2012. Structure of Escherichia coli OmpF porin from
lipidic mesophase. Journal of Structural Biology. 178(3), 311–318.
mla: Efremov, Rouslan, and Leonid A. Sazanov. “Structure of Escherichia Coli OmpF
Porin from Lipidic Mesophase.” Journal of Structural Biology, vol. 178,
no. 3, Academic Press, 2012, pp. 311–18, doi:10.1016/j.jsb.2012.03.005.
short: R. Efremov, L.A. Sazanov, Journal of Structural Biology 178 (2012) 311–318.
date_created: 2018-12-11T11:54:59Z
date_published: 2012-06-01T00:00:00Z
date_updated: 2021-01-12T06:54:26Z
day: '01'
doi: 10.1016/j.jsb.2012.03.005
extern: 1
intvolume: ' 178'
issue: '3'
month: '06'
page: 311 - 318
publication: Journal of Structural Biology
publication_status: published
publisher: Academic Press
publist_id: '5109'
quality_controlled: 0
status: public
title: Structure of Escherichia coli OmpF porin from lipidic mesophase
type: journal_article
volume: 178
year: '2012'
...
---
_id: '1976'
abstract:
- lang: eng
text: 'Complex I is a key enzyme of the respiratory chain in many organisms. This
multi-protein complex with an intricate evolutionary history originated from the
unification of prebuilt modules of hydrogenases and transporters. Using recently
determined crystallographic structures of complex I we reanalyzed evolutionarily
related complexes that couple oxidoreduction to trans-membrane ion translocation.
Our analysis points to the previously unnoticed structural homology of the electron
input module of formate dehydrogenlyases and subunit NuoG of complex I. We also
show that all related to complex I hydrogenases likely operate via a conformation
driven mechanism with structural changes generated in the conserved coupling site
located at the interface of subunits NuoB/D/H. The coupling apparently originated
once in evolutionary history, together with subunit NuoH joining hydrogenase and
transport modules. Analysis of quinone oxidoreduction properties and the structure
of complex I allows us to suggest a fully reversible coupling mechanism. Our model
predicts that: 1) proton access to the ketone groups of the bound quinone is rigorously
controlled by the protein, 2) the negative electric charge of the anionic ubiquinol
head group is a major driving force for conformational changes.'
acknowledgement: The work in authors' laboratory was funded by the Medical Research
Council.
author:
- first_name: Rouslan
full_name: Efremov, Rouslan G
last_name: Efremov
- first_name: Leonid A
full_name: Leonid Sazanov
id: 338D39FE-F248-11E8-B48F-1D18A9856A87
last_name: Sazanov
orcid: 0000-0002-0977-7989
citation:
ama: Efremov R, Sazanov LA. The coupling mechanism of respiratory complex i - A
structural and evolutionary perspective. Biochimica et Biophysica Acta - Bioenergetics.
2012;1817(10):1785-1795. doi:10.1016/j.bbabio.2012.02.015
apa: Efremov, R., & Sazanov, L. A. (2012). The coupling mechanism of respiratory
complex i - A structural and evolutionary perspective. Biochimica et Biophysica
Acta - Bioenergetics. Elsevier. https://doi.org/10.1016/j.bbabio.2012.02.015
chicago: Efremov, Rouslan, and Leonid A Sazanov. “The Coupling Mechanism of Respiratory
Complex i - A Structural and Evolutionary Perspective.” Biochimica et Biophysica
Acta - Bioenergetics. Elsevier, 2012. https://doi.org/10.1016/j.bbabio.2012.02.015.
ieee: R. Efremov and L. A. Sazanov, “The coupling mechanism of respiratory complex
i - A structural and evolutionary perspective,” Biochimica et Biophysica Acta
- Bioenergetics, vol. 1817, no. 10. Elsevier, pp. 1785–1795, 2012.
ista: Efremov R, Sazanov LA. 2012. The coupling mechanism of respiratory complex
i - A structural and evolutionary perspective. Biochimica et Biophysica Acta -
Bioenergetics. 1817(10), 1785–1795.
mla: Efremov, Rouslan, and Leonid A. Sazanov. “The Coupling Mechanism of Respiratory
Complex i - A Structural and Evolutionary Perspective.” Biochimica et Biophysica
Acta - Bioenergetics, vol. 1817, no. 10, Elsevier, 2012, pp. 1785–95, doi:10.1016/j.bbabio.2012.02.015.
short: R. Efremov, L.A. Sazanov, Biochimica et Biophysica Acta - Bioenergetics 1817
(2012) 1785–1795.
date_created: 2018-12-11T11:55:00Z
date_published: 2012-10-01T00:00:00Z
date_updated: 2019-04-26T07:22:06Z
day: '01'
doi: 10.1016/j.bbabio.2012.02.015
extern: 1
intvolume: ' 1817'
issue: '10'
month: '10'
page: 1785 - 1795
publication: Biochimica et Biophysica Acta - Bioenergetics
publication_status: published
publisher: Elsevier
publist_id: '5108'
quality_controlled: 0
status: public
title: The coupling mechanism of respiratory complex i - A structural and evolutionary
perspective
type: review
volume: 1817
year: '2012'
...
---
_id: '1987'
abstract:
- lang: eng
text: |
In the living cell, proteins are able to organize space much larger than their dimensions. In return, changes of intracellular space can influence biochemical reactions, allowing cells to sense their size and shape. Despite the possibility to reconstitute protein self-organization with only a few purified components, we still lack knowledge of how geometrical boundaries affect spatiotemporal protein patterns. Following a minimal systems approach, we used purified proteins and photolithographically patterned membranes to study the influence of spatial confinement on the self-organization of the Min system, a spatial regulator of bacterial cytokinesis, in vitro. We found that the emerging protein pattern responds even to the lateral, two-dimensional geometry of the membrane such that, as in the three-dimensional cell, Min protein waves travel along the longest axis of the membrane patch. This shows that for spatial sensing the Min system does not need to be enclosed in a three-dimensional compartment. Using a computational model we quantitatively analyzed our experimental findings and identified persistent binding of MinE to the membrane as requirement for the Min system to sense geometry. Our results give insight into the interplay between geometrical confinement and biochemical patterns emerging from a nonlinear reaction-diffusion system.
acknowledgement: 'This work was supported by the Max-Planck-Society (P.S. and M.L.)
and by the German Research Foundation as part of the Research Training Group “Nano-
and Biotechnologies for Electronic Device Packaging” (GRK 1401) (J.S.) and by the
Leibniz-Award (P.S.). '
author:
- first_name: Jakob
full_name: Schweizer, Jakob
last_name: Schweizer
- first_name: Martin
full_name: Martin Loose
id: 462D4284-F248-11E8-B48F-1D18A9856A87
last_name: Loose
orcid: 0000-0001-7309-9724
- first_name: Mike
full_name: 'Bonny, Mike '
last_name: Bonny
- first_name: Karsten
full_name: Kruse, Karsten
last_name: Kruse
- first_name: Ingolf
full_name: Mönch, Ingolf
last_name: Mönch
- first_name: Petra
full_name: 'Schwille, Petra '
last_name: Schwille
citation:
ama: Schweizer J, Loose M, Bonny M, Kruse K, Mönch I, Schwille P. Geometry sensing
by self-organized protein patterns. PNAS. 2012;109(38):15283-15288. doi:10.1073/pnas.1206953109
apa: Schweizer, J., Loose, M., Bonny, M., Kruse, K., Mönch, I., & Schwille,
P. (2012). Geometry sensing by self-organized protein patterns. PNAS. National
Academy of Sciences. https://doi.org/10.1073/pnas.1206953109
chicago: Schweizer, Jakob, Martin Loose, Mike Bonny, Karsten Kruse, Ingolf Mönch,
and Petra Schwille. “Geometry Sensing by Self-Organized Protein Patterns.” PNAS.
National Academy of Sciences, 2012. https://doi.org/10.1073/pnas.1206953109.
ieee: J. Schweizer, M. Loose, M. Bonny, K. Kruse, I. Mönch, and P. Schwille, “Geometry
sensing by self-organized protein patterns,” PNAS, vol. 109, no. 38. National
Academy of Sciences, pp. 15283–15288, 2012.
ista: Schweizer J, Loose M, Bonny M, Kruse K, Mönch I, Schwille P. 2012. Geometry
sensing by self-organized protein patterns. PNAS. 109(38), 15283–15288.
mla: Schweizer, Jakob, et al. “Geometry Sensing by Self-Organized Protein Patterns.”
PNAS, vol. 109, no. 38, National Academy of Sciences, 2012, pp. 15283–88,
doi:10.1073/pnas.1206953109.
short: J. Schweizer, M. Loose, M. Bonny, K. Kruse, I. Mönch, P. Schwille, PNAS 109
(2012) 15283–15288.
date_created: 2018-12-11T11:55:04Z
date_published: 2012-09-18T00:00:00Z
date_updated: 2021-01-12T06:54:31Z
day: '18'
doi: 10.1073/pnas.1206953109
extern: 1
intvolume: ' 109'
issue: '38'
month: '09'
page: 15283 - 15288
publication: PNAS
publication_status: published
publisher: National Academy of Sciences
publist_id: '5096'
quality_controlled: 0
status: public
title: Geometry sensing by self-organized protein patterns
type: journal_article
volume: 109
year: '2012'
...
---
_id: '2048'
abstract:
- lang: eng
text: Leakage resilient cryptography attempts to incorporate side-channel leakage
into the black-box security model and designs cryptographic schemes that are provably
secure within it. Informally, a scheme is leakage-resilient if it remains secure
even if an adversary learns a bounded amount of arbitrary information about the
schemes internal state. Unfortunately, most leakage resilient schemes are unnecessarily
complicated in order to achieve strong provable security guarantees. As advocated
by Yu et al. [CCS’10], this mostly is an artefact of the security proof and in
practice much simpler construction may already suffice to protect against realistic
side-channel attacks. In this paper, we show that indeed for simpler constructions
leakage-resilience can be obtained when we aim for relaxed security notions where
the leakage-functions and/or the inputs to the primitive are chosen non-adaptively.
For example, we show that a three round Feistel network instantiated with a leakage
resilient PRF yields a leakage resilient PRP if the inputs are chosen non-adaptively
(This complements the result of Dodis and Pietrzak [CRYPTO’10] who show that if
a adaptive queries are allowed, a superlogarithmic number of rounds is necessary.)
We also show that a minor variation of the classical GGM construction gives a
leakage resilient PRF if both, the leakage-function and the inputs, are chosen
non-adaptively.
acknowledgement: "Sebastian Faust acknowledges support from the Danish National Research
Foundation and The National Science Foundation of China (under the grant 61061130540)
for the Sino-Danish Center for the Theory of Interactive Computation, within part
of this work was performed; and from the CFEM research center, supported by the
Danish Strategic Research Council. \r\nSupported by the European Research Council/ERC
Starting Grant 259668-PSPC.\r\n"
alternative_title:
- LNCS
author:
- first_name: Sebastian
full_name: Faust, Sebastian
last_name: Faust
- first_name: Krzysztof Z
full_name: Pietrzak, Krzysztof Z
id: 3E04A7AA-F248-11E8-B48F-1D18A9856A87
last_name: Pietrzak
orcid: 0000-0002-9139-1654
- first_name: Joachim
full_name: Schipper, Joachim
id: 7BE863D4-E9CF-11E9-9EDB-90527418172C
last_name: Schipper
citation:
ama: 'Faust S, Pietrzak KZ, Schipper J. Practical leakage-resilient symmetric cryptography.
In: Conference Proceedings CHES 2012. Vol 7428. Springer; 2012:213-232.
doi:10.1007/978-3-642-33027-8_13'
apa: 'Faust, S., Pietrzak, K. Z., & Schipper, J. (2012). Practical leakage-resilient
symmetric cryptography. In Conference proceedings CHES 2012 (Vol. 7428,
pp. 213–232). Leuven, Belgium: Springer. https://doi.org/10.1007/978-3-642-33027-8_13'
chicago: Faust, Sebastian, Krzysztof Z Pietrzak, and Joachim Schipper. “Practical
Leakage-Resilient Symmetric Cryptography.” In Conference Proceedings CHES
2012, 7428:213–32. Springer, 2012. https://doi.org/10.1007/978-3-642-33027-8_13.
ieee: S. Faust, K. Z. Pietrzak, and J. Schipper, “Practical leakage-resilient symmetric
cryptography,” in Conference proceedings CHES 2012, Leuven, Belgium, 2012,
vol. 7428, pp. 213–232.
ista: 'Faust S, Pietrzak KZ, Schipper J. 2012. Practical leakage-resilient symmetric
cryptography. Conference proceedings CHES 2012. CHES: Cryptographic Hardware
and Embedded Systems, LNCS, vol. 7428, 213–232.'
mla: Faust, Sebastian, et al. “Practical Leakage-Resilient Symmetric Cryptography.”
Conference Proceedings CHES 2012, vol. 7428, Springer, 2012, pp. 213–32,
doi:10.1007/978-3-642-33027-8_13.
short: S. Faust, K.Z. Pietrzak, J. Schipper, in:, Conference Proceedings CHES 2012,
Springer, 2012, pp. 213–232.
conference:
end_date: 2012-09-12
location: Leuven, Belgium
name: 'CHES: Cryptographic Hardware and Embedded Systems'
start_date: 2012-09-09
date_created: 2018-12-11T11:55:25Z
date_published: 2012-09-01T00:00:00Z
date_updated: 2021-01-12T06:54:58Z
day: '01'
department:
- _id: KrPi
doi: 10.1007/978-3-642-33027-8_13
ec_funded: 1
intvolume: ' 7428'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://www.iacr.org/archive/ches2012/74280211/74280211.pdf
month: '09'
oa: 1
oa_version: Preprint
page: 213 - 232
project:
- _id: 258C570E-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '259668'
name: Provable Security for Physical Cryptography
publication: ' Conference proceedings CHES 2012'
publication_status: published
publisher: Springer
publist_id: '5003'
quality_controlled: '1'
scopus_import: 1
status: public
title: Practical leakage-resilient symmetric cryptography
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 7428
year: '2012'
...
---
_id: '2049'
abstract:
- lang: eng
text: "We propose a new authentication protocol that is provably secure based on
a ring variant of the learning parity with noise (LPN) problem. The protocol follows
the design principle of the LPN-based protocol from Eurocrypt’11 (Kiltz et al.),
and like it, is a two round protocol secure against active attacks. Moreover,
our protocol has small communication complexity and a very small footprint which
makes it applicable in scenarios that involve low-cost, resource-constrained devices.\r\n\r\nPerformance-wise,
our protocol is more efficient than previous LPN-based schemes, such as the many
variants of the Hopper-Blum (HB) protocol and the aforementioned protocol from
Eurocrypt’11. Our implementation results show that it is even comparable to the
standard challenge-and-response protocols based on the AES block-cipher. Our basic
protocol is roughly 20 times slower than AES, but with the advantage of having
10 times smaller code size. Furthermore, if a few hundred bytes of non-volatile
memory are available to allow the storage of some off-line pre-computations, then
the online phase of our protocols is only twice as slow as AES.\r\n"
acknowledgement: "Supported by the European Research Council / ERC Starting Grant
(259668- PSPC)\r\nWe would like to thank the anonymous referees of this confer-
ence and those of the ECRYPT Workshop on Lightweight Cryptography for very useful
comments, and in particular for the suggestion that the scheme is somewhat vulnerable
to a man-in-the-middle attack whenever an adversary observes two reader challenges
that are the same. We hope that the attack we described in Appendix A corresponds
to what the reviewer had in mind. We also thank Tanja Lange for pointing us to the
pa- per of [Kir11] and for discussions of some of her recent work. "
alternative_title:
- LNCS
author:
- first_name: Stefan
full_name: Heyse, Stefan
last_name: Heyse
- first_name: Eike
full_name: Kiltz, Eike
last_name: Kiltz
- first_name: Vadim
full_name: Lyubashevsky, Vadim
last_name: Lyubashevsky
- first_name: Christof
full_name: Paar, Christof
last_name: Paar
- first_name: Krzysztof Z
full_name: Pietrzak, Krzysztof Z
id: 3E04A7AA-F248-11E8-B48F-1D18A9856A87
last_name: Pietrzak
orcid: 0000-0002-9139-1654
citation:
ama: 'Heyse S, Kiltz E, Lyubashevsky V, Paar C, Pietrzak KZ. Lapin: An efficient
authentication protocol based on ring-LPN. In: Conference Proceedings FSE
2012. Vol 7549. Springer; 2012:346-365. doi:10.1007/978-3-642-34047-5_20'
apa: 'Heyse, S., Kiltz, E., Lyubashevsky, V., Paar, C., & Pietrzak, K. Z. (2012).
Lapin: An efficient authentication protocol based on ring-LPN. In Conference
proceedings FSE 2012 (Vol. 7549, pp. 346–365). Washington, DC, USA: Springer.
https://doi.org/10.1007/978-3-642-34047-5_20'
chicago: 'Heyse, Stefan, Eike Kiltz, Vadim Lyubashevsky, Christof Paar, and Krzysztof
Z Pietrzak. “Lapin: An Efficient Authentication Protocol Based on Ring-LPN.” In
Conference Proceedings FSE 2012, 7549:346–65. Springer, 2012. https://doi.org/10.1007/978-3-642-34047-5_20.'
ieee: 'S. Heyse, E. Kiltz, V. Lyubashevsky, C. Paar, and K. Z. Pietrzak, “Lapin:
An efficient authentication protocol based on ring-LPN,” in Conference proceedings
FSE 2012, Washington, DC, USA, 2012, vol. 7549, pp. 346–365.'
ista: 'Heyse S, Kiltz E, Lyubashevsky V, Paar C, Pietrzak KZ. 2012. Lapin: An efficient
authentication protocol based on ring-LPN. Conference proceedings FSE 2012. FSE:
Fast Software Encryption, LNCS, vol. 7549, 346–365.'
mla: 'Heyse, Stefan, et al. “Lapin: An Efficient Authentication Protocol Based on
Ring-LPN.” Conference Proceedings FSE 2012, vol. 7549, Springer, 2012,
pp. 346–65, doi:10.1007/978-3-642-34047-5_20.'
short: S. Heyse, E. Kiltz, V. Lyubashevsky, C. Paar, K.Z. Pietrzak, in:, Conference
Proceedings FSE 2012, Springer, 2012, pp. 346–365.
conference:
end_date: 2012-03-21
location: Washington, DC, USA
name: 'FSE: Fast Software Encryption'
start_date: 2012-03-19
date_created: 2018-12-11T11:55:25Z
date_published: 2012-03-01T00:00:00Z
date_updated: 2021-01-12T06:54:58Z
day: '01'
department:
- _id: KrPi
doi: 10.1007/978-3-642-34047-5_20
ec_funded: 1
intvolume: ' 7549'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://www.iacr.org/archive/fse2012/75490350/75490350.pdf
month: '03'
oa: 1
oa_version: Preprint
page: 346 - 365
project:
- _id: 258C570E-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '259668'
name: Provable Security for Physical Cryptography
publication: ' Conference proceedings FSE 2012'
publication_status: published
publisher: Springer
publist_id: '5002'
quality_controlled: '1'
scopus_import: 1
status: public
title: 'Lapin: An efficient authentication protocol based on ring-LPN'
type: conference
user_id: 3E5EF7F0-F248-11E8-B48F-1D18A9856A87
volume: 7549
year: '2012'
...
---
_id: '2073'
abstract:
- lang: eng
text: 'Background: Drosophila albomicans is a unique model organism for studying
both sex chromosome and B chromosome evolution. A pair of its autosomes comprising
roughly 40% of the whole genome has fused to the ancient X and Y chromosomes only
about 0.12 million years ago, thereby creating the youngest and most gene-rich
neo-sex system reported to date. This species also possesses recently derived
B chromosomes that show non-Mendelian inheritance and significantly influence
fertility.Methods: We sequenced male flies with B chromosomes at 124.5-fold genome
coverage using next-generation sequencing. To characterize neo-Y specific changes
and B chromosome sequences, we also sequenced inbred female flies derived from
the same strain but without B''s at 28.5-fold.Results: We assembled a female genome
and placed 53% of the sequence and 85% of the annotated proteins into specific
chromosomes, by comparison with the 12 Drosophila genomes. Despite its very recent
origin, the non-recombining neo-Y chromosome shows various signs of degeneration,
including a significant enrichment of non-functional genes compared to the neo-X,
and an excess of tandem duplications relative to other chromosomes. We also characterized
a B-chromosome linked scaffold that contains an actively transcribed unit and
shows sequence similarity to the subcentromeric regions of both the ancient X
and the neo-X chromosome.Conclusions: Our results provide novel insights into
the very early stages of sex chromosome evolution and B chromosome origination,
and suggest an unprecedented connection between the births of these two systems
in D. albomicans.'
author:
- first_name: Qi
full_name: Zhou, Qi
last_name: Zhou
- first_name: Hongmei
full_name: Zhu, Hongmei
last_name: Zhu
- first_name: Quanfei
full_name: Huang, Quanfei
last_name: Huang
- first_name: Li
full_name: Zhao, Li
last_name: Zhao
- first_name: Guo
full_name: Zhang, Guo J
last_name: Zhang
- first_name: Scott
full_name: Roy, Scott W
last_name: Roy
- first_name: Beatriz
full_name: Beatriz Vicoso
id: 49E1C5C6-F248-11E8-B48F-1D18A9856A87
last_name: Vicoso
orcid: 0000-0002-4579-8306
- first_name: Zhaolin
full_name: Xuan, Zhaolin
last_name: Xuan
- first_name: Jue
full_name: Ruan, Jue
last_name: Ruan
- first_name: Yue
full_name: Zhang, Yue
last_name: Zhang
- first_name: Ruoping
full_name: Zhao, Ruoping
last_name: Zhao
- first_name: Chen
full_name: Ye, Chen
last_name: Ye
- first_name: Xiuqing
full_name: Zhang, Xiuqing
last_name: Zhang
- first_name: Jùn
full_name: Wang, Jùn
last_name: Wang
- first_name: Wen
full_name: Wang, Wen
last_name: Wang
- first_name: Doris
full_name: Bachtrog, Doris
last_name: Bachtrog
citation:
ama: Zhou Q, Zhu H, Huang Q, et al. Deciphering neo-sex and B chromosome evolution
by the draft genome of Drosophila albomicans. BMC Genomics. 2012;13(1).
doi:10.1186/1471-2164-13-109
apa: Zhou, Q., Zhu, H., Huang, Q., Zhao, L., Zhang, G., Roy, S., … Bachtrog, D.
(2012). Deciphering neo-sex and B chromosome evolution by the draft genome of
Drosophila albomicans. BMC Genomics. BioMed Central. https://doi.org/10.1186/1471-2164-13-109
chicago: Zhou, Qi, Hongmei Zhu, Quanfei Huang, Li Zhao, Guo Zhang, Scott Roy, Beatriz
Vicoso, et al. “Deciphering Neo-Sex and B Chromosome Evolution by the Draft Genome
of Drosophila Albomicans.” BMC Genomics. BioMed Central, 2012. https://doi.org/10.1186/1471-2164-13-109.
ieee: Q. Zhou et al., “Deciphering neo-sex and B chromosome evolution by
the draft genome of Drosophila albomicans,” BMC Genomics, vol. 13, no.
1. BioMed Central, 2012.
ista: Zhou Q, Zhu H, Huang Q, Zhao L, Zhang G, Roy S, Vicoso B, Xuan Z, Ruan J,
Zhang Y, Zhao R, Ye C, Zhang X, Wang J, Wang W, Bachtrog D. 2012. Deciphering
neo-sex and B chromosome evolution by the draft genome of Drosophila albomicans.
BMC Genomics. 13(1).
mla: Zhou, Qi, et al. “Deciphering Neo-Sex and B Chromosome Evolution by the Draft
Genome of Drosophila Albomicans.” BMC Genomics, vol. 13, no. 1, BioMed
Central, 2012, doi:10.1186/1471-2164-13-109.
short: Q. Zhou, H. Zhu, Q. Huang, L. Zhao, G. Zhang, S. Roy, B. Vicoso, Z. Xuan,
J. Ruan, Y. Zhang, R. Zhao, C. Ye, X. Zhang, J. Wang, W. Wang, D. Bachtrog, BMC
Genomics 13 (2012).
date_created: 2018-12-11T11:55:33Z
date_published: 2012-03-22T00:00:00Z
date_updated: 2021-01-12T06:55:08Z
day: '22'
doi: 10.1186/1471-2164-13-109
extern: 1
intvolume: ' 13'
issue: '1'
month: '03'
publication: BMC Genomics
publication_status: published
publisher: BioMed Central
publist_id: '4965'
quality_controlled: 0
status: public
title: Deciphering neo-sex and B chromosome evolution by the draft genome of Drosophila
albomicans
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
volume: 13
year: '2012'
...
---
_id: '2079'
abstract:
- lang: eng
text: We introduce an algorithm and representation for fabricating 3D shape abstractions
using mutually intersecting planar cut-outs. The planes have prefabricated slits
at their intersections and are assembled by sliding them together. Often such
abstractions are used as a sculptural art form or in architecture and are colloquially
called ‘cardboard sculptures’. Based on an analysis of construction rules, we
propose an extended binary space partitioning tree as an efficient representation
of such cardboard models which allows us to quickly evaluate the feasibility of
newly added planar elements. The complexity of insertion order quickly increases
with the number of planar elements and manual analysis becomes intractable. We
provide tools for generating cardboard sculptures with guaranteed constructibility.
In combination with a simple optimization and sampling strategy for new elements,
planar shape abstraction models can be designed by iteratively adding elements.
As an output, we obtain a fabrication plan that can be printed or sent to a laser
cutter. We demonstrate the complete process by designing and fabricating cardboard
models of various well-known 3D shapes.
author:
- first_name: Kristian
full_name: Hildebrand, Kristian
last_name: Hildebrand
- first_name: Bernd
full_name: Bernd Bickel
id: 49876194-F248-11E8-B48F-1D18A9856A87
last_name: Bickel
orcid: 0000-0001-6511-9385
- first_name: Marc
full_name: Alexa, Marc
last_name: Alexa
citation:
ama: 'Hildebrand K, Bickel B, Alexa M. crdbrd: Shape fabrication by sliding planar
slices. Computer Graphics Forum. 2012;31(2pt3):583-592. doi:10.1111/j.1467-8659.2012.03037.x'
apa: 'Hildebrand, K., Bickel, B., & Alexa, M. (2012). crdbrd: Shape fabrication
by sliding planar slices. Computer Graphics Forum. Wiley-Blackwell. https://doi.org/10.1111/j.1467-8659.2012.03037.x'
chicago: 'Hildebrand, Kristian, Bernd Bickel, and Marc Alexa. “Crdbrd: Shape Fabrication
by Sliding Planar Slices.” Computer Graphics Forum. Wiley-Blackwell, 2012.
https://doi.org/10.1111/j.1467-8659.2012.03037.x.'
ieee: 'K. Hildebrand, B. Bickel, and M. Alexa, “crdbrd: Shape fabrication by sliding
planar slices,” Computer Graphics Forum, vol. 31, no. 2pt3. Wiley-Blackwell,
pp. 583–592, 2012.'
ista: 'Hildebrand K, Bickel B, Alexa M. 2012. crdbrd: Shape fabrication by sliding
planar slices. Computer Graphics Forum. 31(2pt3), 583–592.'
mla: 'Hildebrand, Kristian, et al. “Crdbrd: Shape Fabrication by Sliding Planar
Slices.” Computer Graphics Forum, vol. 31, no. 2pt3, Wiley-Blackwell, 2012,
pp. 583–92, doi:10.1111/j.1467-8659.2012.03037.x.'
short: K. Hildebrand, B. Bickel, M. Alexa, Computer Graphics Forum 31 (2012) 583–592.
date_created: 2018-12-11T11:55:35Z
date_published: 2012-05-01T00:00:00Z
date_updated: 2021-01-12T06:55:10Z
day: '01'
doi: 10.1111/j.1467-8659.2012.03037.x
extern: 1
intvolume: ' 31'
issue: 2pt3
month: '05'
page: 583 - 592
publication: Computer Graphics Forum
publication_status: published
publisher: Wiley-Blackwell
publist_id: '4959'
quality_controlled: 0
status: public
title: 'crdbrd: Shape fabrication by sliding planar slices'
type: journal_article
volume: 31
year: '2012'
...
---
_id: '2101'
abstract:
- lang: eng
text: 'Articulated deformable characters are widespread in computer animation. Unfortunately,
we lack methods for their automatic fabrication using modern additive manufacturing
(AM) technologies. We propose a method that takes a skinned mesh as input, then
estimates a fabricatable single-material model that approximates the 3D kinematics
of the corresponding virtual articulated character in a piecewise linear manner.
We first extract a set of potential joint locations. From this set, together with
optional, user-specified range constraints, we then estimate mechanical friction
joints that satisfy inter-joint non-penetration and other fabrication constraints.
To avoid brittle joint designs, we place joint centers on an approximate medial
axis representation of the input geometry, and maximize each joint''s minimal
cross-sectional area. We provide several demonstrations, manufactured as single,
assembled pieces using 3D printers. '
acknowledgement: This work was partially supported by NSF grant IIS-1116619. Doug
James acknowledges support from Pixar and a fellowship from the John Simon Guggenheim
Memorial Foundation
author:
- first_name: Moritz
full_name: Bac̈her, Moritz
last_name: Bac̈Her
- first_name: Bernd
full_name: Bernd Bickel
id: 49876194-F248-11E8-B48F-1D18A9856A87
last_name: Bickel
orcid: 0000-0001-6511-9385
- first_name: Doug
full_name: James, Doug L
last_name: James
- first_name: Hanspeter
full_name: Pfister, Hanspeter
last_name: Pfister
citation:
ama: Bac̈Her M, Bickel B, James D, Pfister H. Fabricating articulated characters
from skinned meshes. ACM Transactions on Graphics. 2012;31(4). doi:10.1145/2185520.2185543
apa: Bac̈Her, M., Bickel, B., James, D., & Pfister, H. (2012). Fabricating articulated
characters from skinned meshes. ACM Transactions on Graphics. ACM. https://doi.org/10.1145/2185520.2185543
chicago: Bac̈Her, Moritz, Bernd Bickel, Doug James, and Hanspeter Pfister. “Fabricating
Articulated Characters from Skinned Meshes.” ACM Transactions on Graphics.
ACM, 2012. https://doi.org/10.1145/2185520.2185543.
ieee: M. Bac̈Her, B. Bickel, D. James, and H. Pfister, “Fabricating articulated
characters from skinned meshes,” ACM Transactions on Graphics, vol. 31,
no. 4. ACM, 2012.
ista: Bac̈Her M, Bickel B, James D, Pfister H. 2012. Fabricating articulated characters
from skinned meshes. ACM Transactions on Graphics. 31(4).
mla: Bac̈Her, Moritz, et al. “Fabricating Articulated Characters from Skinned Meshes.”
ACM Transactions on Graphics, vol. 31, no. 4, ACM, 2012, doi:10.1145/2185520.2185543.
short: M. Bac̈Her, B. Bickel, D. James, H. Pfister, ACM Transactions on Graphics
31 (2012).
date_created: 2018-12-11T11:55:43Z
date_published: 2012-01-01T00:00:00Z
date_updated: 2021-01-12T06:55:19Z
day: '01'
doi: 10.1145/2185520.2185543
extern: 1
intvolume: ' 31'
issue: '4'
month: '01'
publication: ACM Transactions on Graphics
publication_status: published
publisher: ACM
publist_id: '4933'
quality_controlled: 0
status: public
title: Fabricating articulated characters from skinned meshes
type: journal_article
volume: 31
year: '2012'
...
---
_id: '2102'
abstract:
- lang: eng
text: 'We propose a complete process for designing, simulating, and fabricating
synthetic skin for an animatronics character that mimics the face of a given subject
and its expressions. The process starts with measuring the elastic properties
of a material used to manufacture synthetic soft tissue. Given these measurements
we use physicsbased simulation to predict the behavior of a face when it is driven
by the underlying robotic actuation. Next, we capture 3D facial expressions for
a given target subject. As the key component of our process, we present a novel
optimization scheme that determines the shape of the synthetic skin as well as
the actuation parameters that provide the best match to the target expressions.
We demonstrate this computational skin design by physically cloning a real human
face onto an animatronics figure. '
acknowledgement: This work was supported in part by the NCCR Co-Me of the Swiss NSF
author:
- first_name: Bernd
full_name: Bernd Bickel
id: 49876194-F248-11E8-B48F-1D18A9856A87
last_name: Bickel
orcid: 0000-0001-6511-9385
- first_name: Peter
full_name: Kaufmann, Peter
last_name: Kaufmann
- first_name: Mélina
full_name: Skouras, Mélina
last_name: Skouras
- first_name: Bernhard
full_name: Thomaszewski, Bernhard
last_name: Thomaszewski
- first_name: Derek
full_name: Bradley, Derek J
last_name: Bradley
- first_name: Thabo
full_name: Beeler, Thabo
last_name: Beeler
- first_name: Philip
full_name: Jackson, Philip V
last_name: Jackson
- first_name: Steve
full_name: Marschner, Steve
last_name: Marschner
- first_name: Wojciech
full_name: Matusik, Wojciech
last_name: Matusik
- first_name: Markus
full_name: Groß, Markus S
last_name: Groß
citation:
ama: Bickel B, Kaufmann P, Skouras M, et al. Physical face cloning. ACM Transactions
on Graphics. 2012;31(4). doi:10.1145/2185520.2185614
apa: Bickel, B., Kaufmann, P., Skouras, M., Thomaszewski, B., Bradley, D., Beeler,
T., … Groß, M. (2012). Physical face cloning. ACM Transactions on Graphics.
ACM. https://doi.org/10.1145/2185520.2185614
chicago: Bickel, Bernd, Peter Kaufmann, Mélina Skouras, Bernhard Thomaszewski, Derek
Bradley, Thabo Beeler, Philip Jackson, Steve Marschner, Wojciech Matusik, and
Markus Groß. “Physical Face Cloning.” ACM Transactions on Graphics. ACM,
2012. https://doi.org/10.1145/2185520.2185614.
ieee: B. Bickel et al., “Physical face cloning,” ACM Transactions on Graphics,
vol. 31, no. 4. ACM, 2012.
ista: Bickel B, Kaufmann P, Skouras M, Thomaszewski B, Bradley D, Beeler T, Jackson
P, Marschner S, Matusik W, Groß M. 2012. Physical face cloning. ACM Transactions
on Graphics. 31(4).
mla: Bickel, Bernd, et al. “Physical Face Cloning.” ACM Transactions on Graphics,
vol. 31, no. 4, ACM, 2012, doi:10.1145/2185520.2185614.
short: B. Bickel, P. Kaufmann, M. Skouras, B. Thomaszewski, D. Bradley, T. Beeler,
P. Jackson, S. Marschner, W. Matusik, M. Groß, ACM Transactions on Graphics 31
(2012).
date_created: 2018-12-11T11:55:43Z
date_published: 2012-07-04T00:00:00Z
date_updated: 2021-01-12T06:55:19Z
day: '04'
doi: 10.1145/2185520.2185614
extern: 1
intvolume: ' 31'
issue: '4'
month: '07'
publication: ACM Transactions on Graphics
publication_status: published
publisher: ACM
publist_id: '4931'
quality_controlled: 0
status: public
title: Physical face cloning
type: journal_article
volume: 31
year: '2012'
...
---
_id: '2103'
abstract:
- lang: eng
text: Although facial hair plays an important role in individual expression, facial-hair
reconstruction is not addressed by current facecapture systems. Our research addresses
this limitation with an algorithm that treats hair and skin surface capture together
in a coupled fashion so that a high-quality representation of hair fibers as well
as the underlying skin surface can be reconstructed. We propose a passive, camera-based
system that is robust against arbitrary motion since all data is acquired within
the time period of a single exposure. Our reconstruction algorithm detects and
traces hairs in the captured images and reconstructs them in 3D using a multiview
stereo approach. Our coupled skin-reconstruction algorithm uses information about
the detected hairs to deliver a skin surface that lies underneath all hairs irrespective
of occlusions. In dense regions like eyebrows, we employ a hair-synthesis method
to create hair fibers that plausibly match the image data. We demonstrate our
scanning system on a number of individuals and show that it can successfully reconstruct
a variety of facial-hair styles together with the underlying skin surface.
author:
- first_name: Thabo
full_name: Beeler, Thabo
last_name: Beeler
- first_name: Bernd
full_name: Bernd Bickel
id: 49876194-F248-11E8-B48F-1D18A9856A87
last_name: Bickel
orcid: 0000-0001-6511-9385
- first_name: Gioacchino
full_name: Noris, Gioacchino
last_name: Noris
- first_name: Paul
full_name: Beardsley, Paul A
last_name: Beardsley
- first_name: Steve
full_name: Marschner, Steve
last_name: Marschner
- first_name: Robert
full_name: Sumner, Robert W
last_name: Sumner
- first_name: Markus
full_name: Groß, Markus S
last_name: Groß
citation:
ama: Beeler T, Bickel B, Noris G, et al. Coupled 3D reconstruction of sparse facial
hair and skin. ACM Transactions on Graphics. 2012;31(4). doi:10.1145/2185520.2185613
apa: Beeler, T., Bickel, B., Noris, G., Beardsley, P., Marschner, S., Sumner, R.,
& Groß, M. (2012). Coupled 3D reconstruction of sparse facial hair and skin.
ACM Transactions on Graphics. ACM. https://doi.org/10.1145/2185520.2185613
chicago: Beeler, Thabo, Bernd Bickel, Gioacchino Noris, Paul Beardsley, Steve Marschner,
Robert Sumner, and Markus Groß. “Coupled 3D Reconstruction of Sparse Facial Hair
and Skin.” ACM Transactions on Graphics. ACM, 2012. https://doi.org/10.1145/2185520.2185613.
ieee: T. Beeler et al., “Coupled 3D reconstruction of sparse facial hair
and skin,” ACM Transactions on Graphics, vol. 31, no. 4. ACM, 2012.
ista: Beeler T, Bickel B, Noris G, Beardsley P, Marschner S, Sumner R, Groß M. 2012.
Coupled 3D reconstruction of sparse facial hair and skin. ACM Transactions on
Graphics. 31(4).
mla: Beeler, Thabo, et al. “Coupled 3D Reconstruction of Sparse Facial Hair and
Skin.” ACM Transactions on Graphics, vol. 31, no. 4, ACM, 2012, doi:10.1145/2185520.2185613.
short: T. Beeler, B. Bickel, G. Noris, P. Beardsley, S. Marschner, R. Sumner, M.
Groß, ACM Transactions on Graphics 31 (2012).
date_created: 2018-12-11T11:55:44Z
date_published: 2012-01-01T00:00:00Z
date_updated: 2021-01-12T06:55:20Z
day: '01'
doi: 10.1145/2185520.2185613
extern: 1
intvolume: ' 31'
issue: '4'
month: '01'
publication: ACM Transactions on Graphics
publication_status: published
publisher: ACM
publist_id: '4932'
quality_controlled: 0
status: public
title: Coupled 3D reconstruction of sparse facial hair and skin
type: journal_article
volume: 31
year: '2012'
...
---
_id: '2104'
abstract:
- lang: eng
text: 'In recent years, various methods have been introduced to exploit pre-recorded
data to improve the performance and/or realism of dynamic deformations, but their
differences and similarities have not been adequately analyzed or discussed. So
far, the proposed methods have been explored mainly in the research context. They
have not been adopted by the computer graphics industry. This course bridges the
gap between research labs and industry to present a unifying theory and understanding
of data-driven methods for dynamic deformations that may inspire development of
novel solutions. It focuses on application of data-driven methods to three areas
of computer animation: dynamic deformation of faces, soft volumetric tissue, and
cloth. And it describes how to approach these challenges in a data-driven manner,
classifies the various methods, and demonstrates how data-driven methods can work
in other settings. '
author:
- first_name: Miguel
full_name: Otaduy, Miguel A
last_name: Otaduy
- first_name: Bernd
full_name: Bernd Bickel
id: 49876194-F248-11E8-B48F-1D18A9856A87
last_name: Bickel
orcid: 0000-0001-6511-9385
- first_name: Derek
full_name: Bradley, Derek J
last_name: Bradley
- first_name: Huamin
full_name: Wang, Huamin
last_name: Wang
citation:
ama: 'Otaduy M, Bickel B, Bradley D, Wang H. Data-driven simulation methods in computer
graphics: Cloth, tissue and faces. In: ACM; 2012. doi:10.1145/2343483.2343495'
apa: 'Otaduy, M., Bickel, B., Bradley, D., & Wang, H. (2012). Data-driven simulation
methods in computer graphics: Cloth, tissue and faces. Presented at the SIGGRAPH:
Special Interest Group on Computer Graphics and Interactive Techniques, ACM. https://doi.org/10.1145/2343483.2343495'
chicago: 'Otaduy, Miguel, Bernd Bickel, Derek Bradley, and Huamin Wang. “Data-Driven
Simulation Methods in Computer Graphics: Cloth, Tissue and Faces.” ACM, 2012.
https://doi.org/10.1145/2343483.2343495.'
ieee: 'M. Otaduy, B. Bickel, D. Bradley, and H. Wang, “Data-driven simulation methods
in computer graphics: Cloth, tissue and faces,” presented at the SIGGRAPH: Special
Interest Group on Computer Graphics and Interactive Techniques, 2012.'
ista: 'Otaduy M, Bickel B, Bradley D, Wang H. 2012. Data-driven simulation methods
in computer graphics: Cloth, tissue and faces. SIGGRAPH: Special Interest Group
on Computer Graphics and Interactive Techniques.'
mla: 'Otaduy, Miguel, et al. Data-Driven Simulation Methods in Computer Graphics:
Cloth, Tissue and Faces. ACM, 2012, doi:10.1145/2343483.2343495.'
short: M. Otaduy, B. Bickel, D. Bradley, H. Wang, in:, ACM, 2012.
conference:
name: 'SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques'
date_created: 2018-12-11T11:55:44Z
date_published: 2012-01-01T00:00:00Z
date_updated: 2021-01-12T06:55:20Z
day: '01'
doi: 10.1145/2343483.2343495
extern: 1
month: '01'
publication_status: published
publisher: ACM
publist_id: '4930'
quality_controlled: 0
status: public
title: 'Data-driven simulation methods in computer graphics: Cloth, tissue and faces'
type: conference
year: '2012'
...
---
_id: '2105'
acknowledgement: Mélina Skouras was partially supported by the NCCR Co-Me of the Swiss
National Science Foundation.
author:
- first_name: Mélina
full_name: Skouras, Mélina
last_name: Skouras
- first_name: Bernhard
full_name: Thomaszewski, Bernhard
last_name: Thomaszewski
- first_name: Bernd
full_name: Bernd Bickel
id: 49876194-F248-11E8-B48F-1D18A9856A87
last_name: Bickel
orcid: 0000-0001-6511-9385
- first_name: Markus
full_name: Groß, Markus S
last_name: Groß
citation:
ama: 'Skouras M, Thomaszewski B, Bickel B, Groß M. Computational design of rubber
balloons. In: Vol 31. Wiley-Blackwell; 2012:835-844. doi:10.1111/j.1467-8659.2012.03064.x'
apa: 'Skouras, M., Thomaszewski, B., Bickel, B., & Groß, M. (2012). Computational
design of rubber balloons (Vol. 31, pp. 835–844). Presented at the EUROGRAPHICS:
European Association for Computer Graphics, Wiley-Blackwell. https://doi.org/10.1111/j.1467-8659.2012.03064.x'
chicago: Skouras, Mélina, Bernhard Thomaszewski, Bernd Bickel, and Markus Groß.
“Computational Design of Rubber Balloons,” 31:835–44. Wiley-Blackwell, 2012. https://doi.org/10.1111/j.1467-8659.2012.03064.x.
ieee: 'M. Skouras, B. Thomaszewski, B. Bickel, and M. Groß, “Computational design
of rubber balloons,” presented at the EUROGRAPHICS: European Association for Computer
Graphics, 2012, vol. 31, no. 2, pp. 835–844.'
ista: 'Skouras M, Thomaszewski B, Bickel B, Groß M. 2012. Computational design of
rubber balloons. EUROGRAPHICS: European Association for Computer Graphics vol.
31, 835–844.'
mla: Skouras, Mélina, et al. Computational Design of Rubber Balloons. Vol.
31, no. 2, Wiley-Blackwell, 2012, pp. 835–44, doi:10.1111/j.1467-8659.2012.03064.x.
short: M. Skouras, B. Thomaszewski, B. Bickel, M. Groß, in:, Wiley-Blackwell, 2012,
pp. 835–844.
conference:
name: 'EUROGRAPHICS: European Association for Computer Graphics'
date_created: 2018-12-11T11:55:45Z
date_published: 2012-05-01T00:00:00Z
date_updated: 2021-01-12T06:55:20Z
day: '01'
doi: 10.1111/j.1467-8659.2012.03064.x
extern: 1
intvolume: ' 31'
issue: '2'
month: '05'
page: 835 - 844
publication_status: published
publisher: Wiley-Blackwell
publist_id: '4928'
quality_controlled: 0
status: public
title: Computational design of rubber balloons
type: conference
volume: 31
year: '2012'
...
---
_id: '2106'
abstract:
- lang: eng
text: Progress in cloth simulation for computer animation and apparel design has
led to a multitude of deformation models, each with its own way of relating geometry,
deformation, and forces. As simulators improve, differences between these models
become more important, but it is difficult to choose a model and a set of parameters
to match a given real material simply by looking at simulation results. This paper
provides measurement and fitting methods that allow nonlinear models to be fit
to the observed deformation of a particular cloth sample. Unlike standard textile
testing, our system measures complex 3D deformations of a sheet of cloth, not
just one-dimensional force-displacement curves, so it works under a wider range
of deformation conditions. The fitted models are then evaluated by comparison
to measured deformations with motions very different from those used for fitting.
acknowledgement: This work was funded in part by the Spanish Ministry of Science and
Innovation, project TIN2009-07942, and by the European Research Council, project
ERC-2011-StG-280135 Animetrics.
author:
- first_name: Eder
full_name: Miguel, Eder
last_name: Miguel
- first_name: Derek
full_name: Bradley, Derek J
last_name: Bradley
- first_name: Bernhard
full_name: Thomaszewski, Bernhard
last_name: Thomaszewski
- first_name: Bernd
full_name: Bernd Bickel
id: 49876194-F248-11E8-B48F-1D18A9856A87
last_name: Bickel
orcid: 0000-0001-6511-9385
- first_name: Wojciech
full_name: Matusik, Wojciech
last_name: Matusik
- first_name: Miguel
full_name: Otaduy, Miguel A
last_name: Otaduy
- first_name: Steve
full_name: Marschner, Steve
last_name: Marschner
citation:
ama: 'Miguel E, Bradley D, Thomaszewski B, et al. Data-driven estimation of cloth
simulation models. In: Vol 31. Wiley-Blackwell; 2012:519-528. doi:10.1111/j.1467-8659.2012.03031.x'
apa: Miguel, E., Bradley, D., Thomaszewski, B., Bickel, B., Matusik, W., Otaduy,
M., & Marschner, S. (2012). Data-driven estimation of cloth simulation models
(Vol. 31, pp. 519–528). Presented at the Computer Graphics Forum, Wiley-Blackwell.
https://doi.org/10.1111/j.1467-8659.2012.03031.x
chicago: Miguel, Eder, Derek Bradley, Bernhard Thomaszewski, Bernd Bickel, Wojciech
Matusik, Miguel Otaduy, and Steve Marschner. “Data-Driven Estimation of Cloth
Simulation Models,” 31:519–28. Wiley-Blackwell, 2012. https://doi.org/10.1111/j.1467-8659.2012.03031.x.
ieee: E. Miguel et al., “Data-driven estimation of cloth simulation models,”
presented at the Computer Graphics Forum, 2012, vol. 31, no. 2, pp. 519–528.
ista: Miguel E, Bradley D, Thomaszewski B, Bickel B, Matusik W, Otaduy M, Marschner
S. 2012. Data-driven estimation of cloth simulation models. Computer Graphics
Forum vol. 31, 519–528.
mla: Miguel, Eder, et al. Data-Driven Estimation of Cloth Simulation Models.
Vol. 31, no. 2, Wiley-Blackwell, 2012, pp. 519–28, doi:10.1111/j.1467-8659.2012.03031.x.
short: E. Miguel, D. Bradley, B. Thomaszewski, B. Bickel, W. Matusik, M. Otaduy,
S. Marschner, in:, Wiley-Blackwell, 2012, pp. 519–528.
conference:
name: Computer Graphics Forum
date_created: 2018-12-11T11:55:45Z
date_published: 2012-05-01T00:00:00Z
date_updated: 2021-01-12T06:55:21Z
day: '01'
doi: 10.1111/j.1467-8659.2012.03031.x
extern: 1
intvolume: ' 31'
issue: '2'
month: '05'
page: 519 - 528
publication_status: published
publisher: Wiley-Blackwell
publist_id: '4929'
quality_controlled: 0
status: public
title: Data-driven estimation of cloth simulation models
type: conference
volume: 31
year: '2012'
...
---
_id: '2125'
abstract:
- lang: eng
text: We consider a class of stochastic PDEs of Burgers type in spatial dimension
1, driven by space–time white noise. Even though it is well known that these equations
are well posed, it turns out that if one performs a spatial discretization of
the nonlinearity in the “wrong” way, then the sequence of approximate equations
does converge to a limit, but this limit exhibits an additional correction term.
This correction term is proportional to the local quadratic cross-variation (in
space) of the gradient of the conserved quantity with the solution itself. This
can be understood as a consequence of the fact that for any fixed time, the law
of the solution is locally equivalent to Wiener measure, where space plays the
role of time. In this sense, the correction term is similar to the usual Itô–Stratonovich
correction term that arises when one considers different temporal discretizations
of stochastic ODEs.
acknowledgement: Supported by Rubicon Grant 680-50-0901 of the Netherlands Organisation
for Scientific Research (NWO). Supported by the EPSRC Grants EP/E002269/1 and EP/D071593/1,
a Wolfson Research Merit Award of the Royal Society and a Philip Leverhulme prize
of the Lev
author:
- first_name: Martin
full_name: Hairer, Martin M
last_name: Hairer
- first_name: Jan
full_name: Jan Maas
id: 4C5696CE-F248-11E8-B48F-1D18A9856A87
last_name: Maas
orcid: 0000-0002-0845-1338
citation:
ama: Hairer M, Maas J. A spatial version of the Itô-Stratonovich correction. Annals
of Probability. 2012;40(4):1675-1714. doi:10.1214/11-AOP662
apa: Hairer, M., & Maas, J. (2012). A spatial version of the Itô-Stratonovich
correction. Annals of Probability. Institute of Mathematical Statistics.
https://doi.org/10.1214/11-AOP662
chicago: Hairer, Martin, and Jan Maas. “A Spatial Version of the Itô-Stratonovich
Correction.” Annals of Probability. Institute of Mathematical Statistics,
2012. https://doi.org/10.1214/11-AOP662.
ieee: M. Hairer and J. Maas, “A spatial version of the Itô-Stratonovich correction,”
Annals of Probability, vol. 40, no. 4. Institute of Mathematical Statistics,
pp. 1675–1714, 2012.
ista: Hairer M, Maas J. 2012. A spatial version of the Itô-Stratonovich correction.
Annals of Probability. 40(4), 1675–1714.
mla: Hairer, Martin, and Jan Maas. “A Spatial Version of the Itô-Stratonovich Correction.”
Annals of Probability, vol. 40, no. 4, Institute of Mathematical Statistics,
2012, pp. 1675–714, doi:10.1214/11-AOP662.
short: M. Hairer, J. Maas, Annals of Probability 40 (2012) 1675–1714.
date_created: 2018-12-11T11:55:51Z
date_published: 2012-07-01T00:00:00Z
date_updated: 2021-01-12T06:55:27Z
day: '01'
doi: 10.1214/11-AOP662
extern: 1
intvolume: ' 40'
issue: '4'
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1011.0966
month: '07'
oa: 1
page: 1675 - 1714
publication: Annals of Probability
publication_status: published
publisher: Institute of Mathematical Statistics
publist_id: '4908'
quality_controlled: 0
status: public
title: A spatial version of the Itô-Stratonovich correction
type: journal_article
volume: 40
year: '2012'
...
---
_id: '2127'
abstract:
- lang: eng
text: We study a new notion of Ricci curvature that applies to Markov chains on
discrete spaces. This notion relies on geodesic convexity of the entropy and is
analogous to the one introduced by Lott, Sturm, and Villani for geodesic measure
spaces. In order to apply to the discrete setting, the role of the Wasserstein
metric is taken over by a different metric, having the property that continuous
time Markov chains are gradient flows of the entropy. Using this notion of Ricci
curvature we prove discrete analogues of fundamental results by Bakry–Émery and
Otto–Villani. Further, we show that Ricci curvature bounds are preserved under
tensorisation. As a special case we obtain the sharp Ricci curvature lower bound
for the discrete hypercube.
acknowledgement: Jan Maas is supported by Rubicon subsidy 680-50-0901 of the Netherlands
Organisation for Scientific Research (NWO).
author:
- first_name: Matthias
full_name: Erbar, Matthias
last_name: Erbar
- first_name: Jan
full_name: Jan Maas
id: 4C5696CE-F248-11E8-B48F-1D18A9856A87
last_name: Maas
orcid: 0000-0002-0845-1338
citation:
ama: Erbar M, Maas J. Ricci curvature of finite Markov chains via convexity of the
entropy. Archive for Rational Mechanics and Analysis. 2012;206(3):997-1038.
doi:10.1007/s00205-012-0554-z
apa: Erbar, M., & Maas, J. (2012). Ricci curvature of finite Markov chains via
convexity of the entropy. Archive for Rational Mechanics and Analysis.
Springer. https://doi.org/10.1007/s00205-012-0554-z
chicago: Erbar, Matthias, and Jan Maas. “Ricci Curvature of Finite Markov Chains
via Convexity of the Entropy.” Archive for Rational Mechanics and Analysis.
Springer, 2012. https://doi.org/10.1007/s00205-012-0554-z.
ieee: M. Erbar and J. Maas, “Ricci curvature of finite Markov chains via convexity
of the entropy,” Archive for Rational Mechanics and Analysis, vol. 206,
no. 3. Springer, pp. 997–1038, 2012.
ista: Erbar M, Maas J. 2012. Ricci curvature of finite Markov chains via convexity
of the entropy. Archive for Rational Mechanics and Analysis. 206(3), 997–1038.
mla: Erbar, Matthias, and Jan Maas. “Ricci Curvature of Finite Markov Chains via
Convexity of the Entropy.” Archive for Rational Mechanics and Analysis,
vol. 206, no. 3, Springer, 2012, pp. 997–1038, doi:10.1007/s00205-012-0554-z.
short: M. Erbar, J. Maas, Archive for Rational Mechanics and Analysis 206 (2012)
997–1038.
date_created: 2018-12-11T11:55:52Z
date_published: 2012-12-01T00:00:00Z
date_updated: 2021-01-12T06:55:28Z
day: '01'
doi: 10.1007/s00205-012-0554-z
extern: 1
intvolume: ' 206'
issue: '3'
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1111.2687
month: '12'
oa: 1
page: 997 - 1038
publication: Archive for Rational Mechanics and Analysis
publication_status: published
publisher: Springer
publist_id: '4906'
quality_controlled: 0
status: public
title: Ricci curvature of finite Markov chains via convexity of the entropy
type: journal_article
volume: 206
year: '2012'
...