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author:

Xia, Y. (Xia, Y..) [1] | Cao, J. (Cao, J..) [2] | Han, M. (Han, M..) [3]

Indexed by:

Scopus

Abstract:

In this paper, by introducing the concept of topological equivalence on measure chain, we investigate the relationship between the linear system xΔ = A (t) x and the nonlinear system xΔ = A (t) x + f (t, x). Some sufficient conditions are obtained to guarantee the existence of a equivalent function H (t, x) sending the (c, d)-quasibounded solutions of nonlinear system xΔ = A (t) x + f (t, x) onto those of linear system xΔ = A (t) x. Our results generalize the Palmer's linearization theorem in [K.J. Palmer, A generalization of Hartman's linearization theorem, J. Math. Anal. Appl. 41 (1973) 753-758] to dynamic equation measure chains. In the present paper, we give a new analytical method to study the topological equivalence problem on measure chains. As we will see, due to the completely different method to investigate the topological equivalence problem, we have a considerably different result from that in the pioneering work of Hilger [S. Hilger, Generalized theorem of Hartman-Grobman on measure chains, J. Aust. Math. Soc. Ser. A 60 (2) (1996) 157-191]. Moreover, we prove that equivalent function H (t, x) is also ω-periodic when the systems are ω-periodic. Hilger [S. Hilger, Generalized theorem of Hartman-Grobman on measure chains, J. Aust. Math. Soc. Ser. A 60 (2) (1996) 157-191] never considered this important property of the equivalent function H (t, x). © 2007 Elsevier Inc. All rights reserved.

Keyword:

Exponential dichotomy; Linearization; Measure chains

Community:

  • [ 1 ] [Xia, Y.]The Institute of Mathematics, Shanghai Normal University, Shanghai, 200234, China
  • [ 2 ] [Xia, Y.]College of Mathematics and Computer Science, Fuzhou University, Fuzhou, 350002, China
  • [ 3 ] [Cao, J.]Department of Mathematics, Southeast University, Nanjing, 210096, China
  • [ 4 ] [Han, M.]The Institute of Mathematics, Shanghai Normal University, Shanghai, 200234, China

Reprint 's Address:

  • [Xia, Y.]The Institute of Mathematics, Shanghai Normal University, Shanghai, 200234, China

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Source :

Journal of Differential Equations

ISSN: 0022-0396

Year: 2007

Issue: 2

Volume: 235

Page: 527-543

1 . 0 9 7

JCR@2007

2 . 4 0 0

JCR@2023

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 41

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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