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Notes of Alireza Salehi Golsefidy’s Oxford lecture 23032017
Superapproximation 1. Definition Say a finitely generated subgroup of (with fixed generating set ) has superapproximation with respect to a set of positive integers which are coprime to if the family of Cayley graphs is an expander. Here, Example. When … Continue reading
Pansu’s Lille slides
Slides of Pansu’s 2 lectures on Lp cohomology and large scale conformal maps. lille_15oct14_beamer
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Pierre Pansu’s slides on Differential Forms and the Hölder Equivalence Problem
Here is the completed set of slides CIRMsep14_beamer If you want to know more about the construction of horizontal submanifolds and how Gromov uses it to bound Hausdorff dimensions from below, see Pansu’s Trento notes (2005).
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Pansu’s slides, september 15, 2014
Here are Pansu’s slides (version sept. 3rd, 00:13) CIRMsep14_beamer
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Notes de la conférence de JeanPierre Kahane aux étudiants de la licence d’Orsay
Notes d’une conférence prononcée par JeanPierre Kahane pour la remise des diplômes de licence mention mathématiques à Orsay, le 26 novembre 2012. Qu’est ce que Fourier peut nous dire aujourd’hui ? La semaine dernière, à l’IHP, on célébrait Poincaré. De … Continue reading
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Notes of Yves Cornulier’s lecture
Dehn functions of Lie groups joint with Romain Tessera Sample application to finitely generated groups: The Dehn function of a polycyclic group is either exponential or at most polynomial. 1. Basic facts Dehn function makes sense for compactly presented locally … Continue reading
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Slides of Mauricio Godoy’s talk
Mauricio Godoy spoke on SubRiemannian structures on odd dimensional spheres on march28th, 2012. Here are his slides: Godoy_IHP2012 (unfortunately, I missed his talk).
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