Bernard Helffer & Francis Nier 
Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians [PDF ebook] 

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There has recently been a renewal of interest in Fokker-Planck operators, motivated by problems in statistical physics, in kinetic equations, and differential geometry. Compared to more standard problems in the spectral theory of partial differential operators, those operators are not self-adjoint and only hypoelliptic. The aim of the analysis is to give, as generally as possible, an accurate qualitative and quantitative description of the exponential return to the thermodynamical equilibrium. While exploring and improving recent results in this direction, this volume proposes a review of known techniques on: the hypoellipticity of polynomial of vector fields and its global counterpart, the global Weyl-Hormander pseudo-differential calculus, the spectral theory of non-self-adjoint operators, the semi-classical analysis of Schrodinger-type operators, the Witten complexes, and the Morse inequalities.

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语言 英语 ● 格式 PDF ● ISBN 9783540315537 ● 出版者 Springer Berlin Heidelberg ● 发布时间 2005 ● 下载 3 时 ● 货币 EUR ● ID 6375859 ● 复制保护 Adobe DRM
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