On the Existence of Smooth Lyapunov Functions for Arbitrary Closed Sets

被引:0
|
作者
Fathi, Albert [1 ,2 ]
机构
[1] Georgia Inst Technol, Atlanta, GA 30332 USA
[2] ENS Lyon, Sch Math, Lyon, France
来源
关键词
Flow; Smooth Lyapunov; Converse Lyapunov; Isolating block;
D O I
10.1007/s00574-022-00291-y
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We give a simpler proof of the existence of isolating blocks due to Conley and Easton (Trans Am Math Soc 158:35-61, 1983) based on a generalization of the work of Wilson Jr. and Yorke (J Differ Equ 13:106-123, 1973) on Lyapunov functions and isolating blocks. This will also yield a proof of Massera's (Ann Math 64:182-206, 1956) converse Lyapunov Theorem and a proof of a Theorem independently due to Duistermaat and Hormander (Acta Math 128:183-269, 1972) and Sullivan (Invent Math 36:225-255, 1976).
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页码:957 / 980
页数:24
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