標題: Eigenvalue problems and their application to the wavelet method of chaotic control
作者: Juang, Jonq
Li, Chin-Lung
應用數學系
Department of Applied Mathematics
公開日期: 1-七月-2006
摘要: Controlling chaos via wavelet transform was recently proposed by Wei, Zhan, and Lai [Phys. Rev. Lett. 89, 284103 (2002)]. It was reported there that by modifying a tiny fraction of the wavelet subspace of a coupling matrix, the transverse stability of the synchronous manifold of a coupled chaotic system could be dramatically enhanced. The stability of chaotic synchronization is actually controlled by the second largest eigenvalue lambda(1)(alpha,beta) of the (wavelet) transformed coupling matrix C(alpha,beta) for each alpha and beta. Here beta is a mixed boundary constant and alpha is a scalar factor. In particular, beta=1 (respectively, 0) gives the nearest neighbor coupling with periodic (respectively, Neumann) boundary conditions. The first, rigorous work to understand the eigenvalues of C(alpha,1) was provided by Shieh [J. Math. Phys. (to be published)]. The purpose of this paper is twofold. First, we apply a different approach to obtain the explicit formulas for the eigenvalues of C(alpha,1) and C(alpha,0). This, in turn, yields some new information concerning lambda(1)(alpha,1). Second, we shed some light on the question whether the wavelet method works for general coupling schemes. In particular, we show that the wavelet method is also good for the nearest neighbor coupling with Neumann boundary conditions.
URI: http://dx.doi.org/10.1063/1.2218674
http://hdl.handle.net/11536/12058
ISSN: 0022-2488
DOI: 10.1063/1.2218674
期刊: JOURNAL OF MATHEMATICAL PHYSICS
Volume: 47
Issue: 7
結束頁: 
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