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Gradient-like flows on high-dimensional manifolds

Published online by Cambridge University Press:  02 April 2001

R. N. CRUZ
Affiliation:
Departamento de Matemática, Universidade Estadual de Campinas, 13083-970 Campinas, São Paulo, Brazil (e-mail: [email protected], [email protected])
K. A. DE REZENDE
Affiliation:
Departamento de Matemática, Universidade Estadual de Campinas, 13083-970 Campinas, São Paulo, Brazil (e-mail: [email protected], [email protected])

Abstract

The main purpose of this paper is to study the implications that the homology index of critical sets of smooth flows on closed manifolds M have on both the homology of level sets of M and the homology of M itself. The bookkeeping of the data containing the critical set information of the flow and topological information of M is done through the use of Lyapunov graphs. Our main result characterizes the necessary conditions that a Lyapunov graph must possess in order to be associated to a Morse–Smale flow. With additional restrictions on an abstract Lyapunov graph L we determine sufficient conditions for L to be associated to a flow on M.

Type
Research Article
Copyright
1999 Cambridge University Press

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