320 résultats : Grenoble

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320 résultats
page 32 sur 32
résultats 311 à 320
Canal-U
Alexander Gorodnik - Diophantine approximation and flows on homogeneous spaces (Part 2)
Description : The fundamental problem in the theory of Diophantine approximation is to understand how well points in the Euclidean space can be approximated by rational vectors with given bounds on denominators. It turns out that Diophantine properties of points can be encoded using flows on homogeneous ...
Mots clés : mathématiques, Grenoble, école d'été, dynamics, institut fourier, summer school, number theory
Date : 26-06-2013
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Alexander Gorodnik - Diophantine approximation and flows on homogeneous spaces (Part 2)
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Canal-U
Alexander Gorodnik - Diophantine approximation and flows on homogeneous spaces (Part 3)
Description : The fundamental problem in the theory of Diophantine approximation is to understand how well points in the Euclidean space can be approximated by rational vectors with given bounds on denominators. It turns out that Diophantine properties of points can be encoded using flows on homogeneous ...
Mots clés : mathématiques, Grenoble, école d'été, dynamics, institut fourier, summer school, number theory
Date : 27-06-2013
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Alexander Gorodnik - Diophantine approximation and flows on homogeneous spaces (Part 3)
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Canal-U
Laurent Mazet - Some aspects of minimal surface theory (Part 2)
Description : In a Riemannian 3-manifold, minimal surfaces are critical points of the area functional and can be a useful tool to understand the geometry and the topology of the ambient manifold. The aim of these lectures is to give some basic definitions about minimal surface theory and present some results ...
Mots clés : mathématiques, Grenoble, école d'été, institut fourier, summer school, geometric analysis, metric geometry, topology
Date : 15-06-2016
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Laurent Mazet - Some aspects of minimal surface theory (Part 2)
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Laurent Mazet - Some aspects of minimal surface theory (Part 4)
Description : In a Riemannian 3-manifold, minimal surfaces are critical points of the area functional and can be a useful tool to understand the geometry and the topology of the ambient manifold. The aim of these lectures is to give some basic definitions about minimal surface theory and present some results ...
Mots clés : mathématiques, Grenoble, école d'été, institut fourier, summer school, geometric analysis, metric geometry, topology
Date : 16-06-2016
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Laurent Mazet - Some aspects of minimal surface theory (Part 4)
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Canal-U
Robert Young - Quantitative geometry and filling problems (Part 1)
Description : Plateau's problem asks whether there exists a minimal surface with a given boundary in Euclidean space. In this course, we will study related problems in broader classes of spaces and ask what the asymptotics of filling problems tell us about the geometry of surfaces in groups and spaces. What do ...
Mots clés : Grenoble, quantitative geometry, UGA, topology, metric geometry, geometric analysis, summer school, institut fourier, CNRS, filling problems
Date : 20-06-2016
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Robert Young - Quantitative geometry and filling problems (Part 1)
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Canal-U
Robert Young - Quantitative geometry and filling problems (Part 2)
Description : Plateau's problem asks whether there exists a minimal surface with a given boundary in Euclidean space. In this course, we will study related problems in broader classes of spaces and ask what the asymptotics of filling problems tell us about the geometry of surfaces in groups and spaces. What do ...
Mots clés : Grenoble, quantitative geometry, UGA, topology, metric geometry, geometric analysis, summer school, institut fourier, CNRS, filling problems
Date : 21-06-2016
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Robert Young - Quantitative geometry and filling problems (Part 2)
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Canal-U
Robert Young - Quantitative geometry and filling problems (Part 3)
Description : Plateau's problem asks whether there exists a minimal surface with a given boundary in Euclidean space. In this course, we will study related problems in broader classes of spaces and ask what the asymptotics of filling problems tell us about the geometry of surfaces in groups and spaces. What do ...
Mots clés : Grenoble, quantitative geometry, UGA, topology, metric geometry, geometric analysis, summer school, institut fourier, CNRS, filling problems
Date : 22-06-2016
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Robert Young - Quantitative geometry and filling problems (Part 3)
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Canal-U
Robert Young - Quantitative geometry and filling problems (Part 4)
Description : Plateau's problem asks whether there exists a minimal surface with a given boundary in Euclidean space. In this course, we will study related problems in broader classes of spaces and ask what the asymptotics of filling problems tell us about the geometry of surfaces in groups and spaces. What do ...
Mots clés : Grenoble, quantitative geometry, UGA, topology, metric geometry, geometric analysis, summer school, institut fourier, CNRS, filling problems
Date : 23-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Robert Young - Quantitative geometry and filling problems (Part 4)
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Canal-U
Robert Young - Quantitative geometry and filling problems (Part 5)
Description : Plateau's problem asks whether there exists a minimal surface with a given boundary in Euclidean space. In this course, we will study related problems in broader classes of spaces and ask what the asymptotics of filling problems tell us about the geometry of surfaces in groups and spaces. What do ...
Mots clés : Grenoble, quantitative geometry, UGA, topology, metric geometry, geometric analysis, summer school, institut fourier, CNRS, filling problems
Date : 23-06-2016
Droits : Droits réservés à l'éditeur et aux auteurs. CC BY-NC-ND 4.0
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Robert Young - Quantitative geometry and filling problems (Part 5)
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Canal-U
B. Berndtsson - The curvature of (higher) direct images
Description : I will first discuss some earlier work on the curvature of direct images of adjoint line bundles under a smooth proper fibration, or more generally a surjective map and (maybe) some of its applications. Then I will present a general formula for the curvature of higher direct images. This ...
Mots clés : Complex analytic and differential geometry 2017, Grenoble, curvature, direct images
Date : 06-06-2017
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B. Berndtsson - The curvature of (higher) direct images
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