Recent Progress In Conformal Geometry (Icp Advanced Texts In Mathematics 1)

Recent Progress In Conformal Geometry (Icp Advanced Texts In Mathematics 1)

By: Abbas Bahri (author), Yongzhong Xu (author)Hardback

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Description

This book presents a new front of research in conformal geometry, on sign-changing Yamabe-type problems and contact form geometry in particular. New ground is broken with the establishment of a Morse lemma at infinity for sign-changing Yamabe-type problems. This family of problems, thought to be out of reach a few years ago, becomes a family of problems which can be studied: the book lays the foundation for a program of research in this direction.In contact form geometry, a cousin of symplectic geometry, the authors prove a fundamental result of compactness in a variational problem on Legrendrian curves, which allows one to define a homology associated to a contact structure and a vector field of its kernel on a three-dimensional manifold. The homology is invariant under deformation of the contact form, and can be read on a sub-Morse complex of the Morse complex of the variational problem built with the periodic orbits of the Reeb vector-field. This book introduces, therefore, a practical tool in the field, and this homology becomes computable.

Contents

Sign-Changing Yamabe-Type Problems: General Introduction; Results and Conditions; Conjecture 2 and Sketch of the Proof of Theorem 1; Outline; The Difference of Topology; Open Problems; Preliminary Estimates and Expansions, the Principal Terms; Preliminary Estimates; Proof of the Morse Lemma at Infinity when the Concentrations are Comparable; Proof of the Morse Lemma at Infinity; Contact Form Geometry: General Introduction; On the Dynamics of a Contact Structure Along a Vector Field of Its Kernel; Appendix 1; The Normal Form of ( , ) Near an Attractive Periodic Orbit of ; Compactness; Transmutations; On the Morse Index of a Functional Arising in Contact Form Geometry; and other chapters.

Product Details

  • ISBN13: 9781860947728
  • Format: Hardback
  • Number Of Pages: 524
  • ID: 9781860947728
  • ISBN10: 1860947727

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