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Classification of Invariant Sets and Global Behavior of Third Order Nonlinear Systems

Norio AKAMATSU

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Summary :

In this paper we deal with a class of nonlinear differential equations which arise in physical systems. Up to the present time no proper generalized classification of invariant sets with high dimension has been proposed. Invariant sets under the Poincaré transformation are classified into 2H -types according to the characteristic of their adjacent manifolds, where H is a hyperbolicity defined in the neighborhood of the invariant sets. In the final section of this paper, we apply the reduced classification of invariant sets to the third order nonlinear systems which are derived from parametric excitation circuits and discussed their global behavior of invariant sets and manifolds in the topological space. Doubly asymptotic points, homoclinic and heteroclinic types, located in the three-dimensional space are also obtained.

Publication
IEICE TRANSACTIONS on transactions Vol.E69-E No.6 pp.732-739
Publication Date
1986/06/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Nonlinear Problems

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