95 résultats : UGA

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95 résultats
page 5 sur 10
résultats 41 à 50
Canal-U
Antonio Lerario - Variational methods for sub-Riemannian geodesics
Description : I will report on recent progress on the problem of the existence of sub-Riemannian geodesics. Compared to the classical Riemannian case, I will show how here new features appear, due to the more sophisticated structure of the set of admissible curves and the possible existence of singular (also ...
Mots clés : CNRS, institut fourier, sous-riemannien, UGA, géodésique
Date : 13-10-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Antonio Lerario - Variational methods for sub-Riemannian geodesics
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Canal-U
Feng Luo - Discrete conformal geometry of polyhedral surfaces and its convergence
Description : Our recent joint work with D. Gu established a discrete version of the uniformization theorem for compact polyhedral surfaces.   In this talk, we prove that discrete uniformizaton maps converge to conformal maps when the triangulations are sufficiently fine chosen.  We will also discuss the rela ...
Mots clés : Grenoble, polyhedral, UGA, topology, metric geometry, geometric analysis, summer school, institut fourier, CNRS, surfaces
Date : 29-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Feng Luo - Discrete conformal geometry of polyhedral surfaces and its convergence
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Canal-U
Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 1)
Description : The goal of the course is to introduce some of the recent developments on discrete conformal geometry of polyhedral surfaces. We plan to cover the following topics. - The Andreev-Koebe-Thurston theorem on circle packing polyhedral metrics and Marden-Rodin’s proof - Thurston’s conjecture on the ...
Mots clés : Grenoble, conformal geometry, UGA, insitut fourier, topology, metric geometry, geometric analysis, summer school, CNRS, polyhedral surfaces
Date : 21-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 1)
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Canal-U
Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 2)
Description : The goal of the course is to introduce some of the recent developments on discrete conformal geometry of polyhedral surfaces. We plan to cover the following topics. - The Andreev-Koebe-Thurston theorem on circle packing polyhedral metrics and Marden-Rodin’s proof - Thurston’s conjecture on the ...
Mots clés : Grenoble, conformal geometry, UGA, insitut fourier, topology, metric geometry, geometric analysis, summer school, CNRS, polyhedral surfaces
Date : 22-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 2)
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Canal-U
Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 3)
Description : The goal of the course is to introduce some of the recent developments on discrete conformal geometry of polyhedral surfaces. We plan to cover the following topics. - The Andreev-Koebe-Thurston theorem on circle packing polyhedral metrics and Marden-Rodin’s proof - Thurston’s conjecture on the ...
Mots clés : Grenoble, conformal geometry, UGA, insitut fourier, topology, metric geometry, geometric analysis, summer school, CNRS, polyhedral surfaces
Date : 22-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 3)
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Canal-U
Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 4)
Description : The goal of the course is to introduce some of the recent developments on discrete conformal geometry of polyhedral surfaces. We plan to cover the following topics. - The Andreev-Koebe-Thurston theorem on circle packing polyhedral metrics and Marden-Rodin’s proof - Thurston’s conjecture on the ...
Mots clés : Grenoble, conformal geometry, UGA, insitut fourier, topology, metric geometry, geometric analysis, summer school, CNRS, polyhedral surfaces
Date : 23-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 4)
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Canal-U
Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 5)
Description : The goal of the course is to introduce some of the recent developments on discrete conformal geometry of polyhedral surfaces. We plan to cover the following topics. - The Andreev-Koebe-Thurston theorem on circle packing polyhedral metrics and Marden-Rodin’s proof - Thurston’s conjecture on the ...
Mots clés : Grenoble, conformal geometry, UGA, insitut fourier, topology, metric geometry, geometric analysis, summer school, CNRS, polyhedral surfaces
Date : 24-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Feng Luo - An introduction to discrete conformal geometry of polyhedral surfaces (Part 5)
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Canal-U
Sylvain Maillot - An introduction to open 3-manifolds (Part 2)
Description : W. Thurston's geometrization program has lead to manyoutstanding results in 3-manifold theory. Thanks to worksof G. Perelman, J. Kahn and V. Markovic, D. Wise, and I. Agol among others, compact 3-manifolds can now beconsidered to be reasonably well-understood.By contrast, noncompact 3-manifolds ...
Mots clés : Grenoble, institut fourier, summer school, geometric analysis, metric geometry, topology, open 3-manifolds, CNRS, UGA
Date : 14-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Sylvain Maillot - An introduction to open 3-manifolds (Part 2)
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Canal-U
Sylvain Maillot - An introduction to open 3-manifolds (Part 1)
Description : W. Thurston's geometrization program has lead to manyoutstanding results in 3-manifold theory. Thanks to worksof G. Perelman, J. Kahn and V. Markovic, D. Wise, and I. Agol among others, compact 3-manifolds can now beconsidered to be reasonably well-understood.By contrast, noncompact 3-manifolds ...
Mots clés : Grenoble, CNRS, institut fourier, summer school, geometric analysis, metric geometry, topology, UGA, open 3-manifolds
Date : 13-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Sylvain Maillot - An introduction to open 3-manifolds (Part 1)
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Canal-U
Sylvain Maillot - An introduction to open 3-manifolds (Part 3)
Description : W. Thurston's geometrization program has lead to manyoutstanding results in 3-manifold theory. Thanks to worksof G. Perelman, J. Kahn and V. Markovic, D. Wise, and I. Agol among others, compact 3-manifolds can now beconsidered to be reasonably well-understood.By contrast, noncompact 3-manifolds ...
Mots clés : Grenoble, institut fourier, summer school, geometric analysis, metric geometry, topology, open 3-manifolds, CNRS, UGA
Date : 15-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Sylvain Maillot - An introduction to open 3-manifolds (Part 3)
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