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Symplectic Geometry : A Festschrift in Honour of Claude Viterbo’s 60th Birthday by Claude Viterbo; Helmut Hofer; Alberto Abbondandolo; Urs Frauenfelder; Felix Schlenk is a nonfiction available to read on EtoBox.

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Contents Dedication Symplectically convex and symplectically star-shaped curves: a variational problem Abstract 1. Introduction 2. Examples of symplectically convex and symplectically star-shaped curves 3. Toward the solution of the variational problem 4. Infinitesimal rigidity of multiple conics as critical curves 5. Second-order deformations of conics 6. The case of 7. Pictures and open problems Acknowledgements Appendix References C0-robustness of topological entropy for geodesic flows Abstract 1. Introduction 1.1. Context 1.2. Results, strategy, and layout of the paper 1.3. Related developments 1.4. Setup and definitions Entropies Length, energy, area and loop spaces Robustness A preliminary robustness lemma 2. A robust version of the Denvir–MacKay theorem 2.1. Proof of item (1) of Theorem 5 in case γ0 is non-degenerate 2.2. Proof of item (1) of Theorem 5 in case γ0 is degenerate 2.3. A lower bound on topological entropy in terms of surface area 3. Robustness of volume entropy and hyperbolic geometry 4. Robustness from intersection patterns of a family of non-contractible geodesics on the two-torus 4.1. A definition of separation for lifts of two freely homotopic loops 4.2. Th

Who reads Symplectic Geometry : A Festschrift in Honour of Claude Viterbo’s 60th Birthday?

Author

Claude Viterbo; Helmut Hofer; Alberto Abbondandolo; Urs Frauenfelder; Felix Schlenk

Publisher

Springer International Publishing : Imprint: Birkhäuser

Published

2023

Language

EN

ISBN

9788303119117

Category

nonfiction

Subjects

Science, Mathematics, Geometry And Topology