On the semimartingale representation of reflecting Brownian motion in a cusp |
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Authors: | R Dante DeBlassie Ellen H Toby |
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Institution: | (1) Department of Mathematics, Texas A & M University, 77843 College Station, TX, USA |
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Abstract: | Summary LetC be the symmetric cusp {(x, y)2:–x
yx
,x0} where >1. In this paper we decide whether or not reflecting Brownian motion inC has a semimartingale representation. Here the reflecting Brownian motion has directions of reflection that make constant angles with the unit inward normals to the boundary. Our results carry through for a wide class of asymmetric cusps too. |
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Keywords: | 60J65 60J60 |
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