On the space of BV functions and a related stochastic calculus in infinite dimensions

被引:54
作者
Fukushima, M [1 ]
Hino, M
机构
[1] Kansai Univ, Fac Engn, Dept Math, Suita, Osaka 5648680, Japan
[2] Kyoto Univ, Grad Sch Informat, Dept Appl Anal & Complex Dynam Syst, Kyoto 6068501, Japan
关键词
BV function; abstract Wiener space; Orlicz space; surface measure; Dirichlet form; distorted Ornstein-Uhlenbeck process; generalized Ito's formula;
D O I
10.1006/jfan.2000.3738
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Functions of bounded variation (BV functions) are defined on an abstract Wiener space (E, H,mu) in a way similar to that in finite dimensions. Some characterizations are given, which justify describing a BV function as a function in L(log L)(1/2) with the first order derivative being an H-valued measure. It is also shown that the space of BV functions is obtained by a natural extension of the Sobolev space D-1,D-1. Moreover, some stochastic formulae related to BV functions are investigated. (C) 2001 Academic Press.
引用
收藏
页码:245 / 268
页数:24
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