Integration by Parts and Quasi-Invariance for Heat Kernel Measures on Loop Groups
Integration by Parts and Quasi-Invariance for Heat Kernel Measures on Loop Groups
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DOI:
10.1006/jfan.1997.3103
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发表时间:
1997-10
影响因子:
1.7
通讯作者:
B. Driver
中科院分区:
文献类型:
--
作者:
B. Driver
Abstract Integration by parts formulas are established both for Wiener measure on the path space of a loop group and for the heat kernel measures on the loop group. The Wiener measure is defined to be the law of a certain loop group valued “Brownian motion” and the heat kernel measures are time t , t >0, distributions of this Brownian motion. A corollary of either of these integrations by parts formulas is the closability of the pre-Dirichlet form considered by B. K. Driver and T. Lohrenz [1996, J. Functional Anal. 140 , 381–448]. We also show that the heat kernel measures are quasi-invariant under right under right and left translations by finite energy loops.