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检索条件"主题词=Small random perturbations"
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small random perturbations of One-Dimensional Diffusion Processes
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Acta Mathematica Sinica,English Series 1998年 第1期14卷 35-40页
作者: Xi Fubao Department of Applied Mathematics, Beijing Institute of Technology, Beijing 100081, China Department of Applied Mathematics Beijing Institute of Technology
In the present paper we consider the small random perturbations of one-dimensional diffosion processes. By virtue of stochastic analysis methods, we investigate the asymptotics of the mean exit times and probabilistic... 详细信息
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Acoustic stop bands in almost-periodic and weakly randomized stratified media:perturbation analysis
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Acta Mechanica Sinica 2008年 第5期24卷 549-556页
作者: S.Guenneau A.B.Movchan N.V.Movchan J.Trebicki Department of Mathematical Sciences University of LiverpoolPeach StreetLiverpool L69 3BXUK Polish Academy of Sciences Institute of Fundamental Technology ResearchSwietokrzyska 21Warsaw 00049Poland
In this paper, we analyze the effect of both deter- ministic and random perturbations of a regular multi-layered elastic structure on its stop band properties. The tool of choice is the transfer matrix method, which i... 详细信息
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