QUADRATIC HAMILTONIAN VECTOR-FIELDS

被引:61
|
作者
ARTES, JC
LLIBRE, J
机构
[1] Departament de Matemàliques, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona
关键词
D O I
10.1006/jdeq.1994.1004
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let H be a cubic polynomial in two variables over R. Then H defines a quadratic Hamiltonian vector field (partial derivative H/partial derivative y, - partial derivative H/partial derivative x). The purpose of this paper is to prove that there are exactly 28 non-equivalent topologic phase portraits of quadratic Hamiltonian vector fields. (C) 1994 Academic Press, Inc.
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页码:80 / 95
页数:16
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