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Volume nullification and asymptotic flatnessof denerate diffusions

 

作者: Gopal K. Basak,   D. Kannan,  

 

期刊: Stochastic Analysis and Applications  (Taylor Available online 1996)
卷期: Volume 14, issue 2  

页码: 131-148

 

ISSN:0736-2994

 

年代: 1996

 

DOI:10.1080/07362999608809430

 

出版商: Marcel Dekker, Inc.

 

数据来源: Taylor

 

摘要:

LetXt(x) be a singular Process describing a flow of diffeomorphisms,andkbe a compact surface inwith positive finite Hausdorff measure. We present conditions under which the area ofXt:X(k)goes to zero almost surely and in moments ast→∞. It is shown, in particular, that the flowXtX(·) asymptotically nullifies the arc-length of oriented rectifiable arcs. As a consequence, we recover one of our earlier results on the asymptotic flatness of singular diffusions. Though we work with degenerate diffusions, our method applies to the nondegenerate case as well

 

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