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Interdisciplinary Mathematical Sciences - Vol. 7

VARIATIONAL METHODS FOR STRONGLY INDEFINITE PROBLEMS

by Yanheng Ding (Chinese Academy of Sciences, China)

Table of Contents (57k)
Preface (37k)
Chapter 1: Introduction (104k)

This unique book focuses on critical point theory for strongly indefinite functionals in order to deal with nonlinear variational problems in areas such as physics, mechanics and economics. With the original ingredients of Lipschitz partitions of unity of gage spaces (nonmetrizable spaces), Lipschitz normality, and sufficient conditions for the normality, as well as existence-uniqueness of flow of ODE on gage spaces, the book presents for the first time a deformation theory in locally convex topological vector spaces. It also offers satisfying variational settings for homoclinic-type solutions to Hamiltonian systems, Schrödinger equations, Dirac equations and diffusion systems, and describes recent developments in studying these problems. The concepts and methods used open up new topics worthy of in-depth exploration, and link the subject with other branches of mathematics, such as topology and geometry, providing a perspective for further studies in these areas. The analytical framework can be used to handle more infinite-dimensional Hamiltonian systems.


Contents:

  • Lipschitz Partitions of Unity
  • Deformations on Locally Convex Topological Vector Spaces
  • Critical Point Theorems
  • Homoclinics in Hamiltonian Systems
  • Standing Waves of Nonlinear Schrödinger Equations
  • Solutions of Nonlinear Dirac Equations
  • Solutions of a System of Diffusion Equations


Readership: Researchers and graduate students in analysis & differential equations, mathematical physics, geometry & topology, mechanics and control theory.

176pp Pub. date: Aug 2007
ISBN 978-981-270-962-2
981-270-962-2
US$68 / £37


Copyright © 2008 World Scientific Publishing Co. All rights reserved.
Updated on 4 July 2008