Multidimensional process of Ornstein-Uhlenbeck type with nondiagonalizable matrix in linear drift terms
Keyword(s):
Let Rd be the d-dimensional Euclidean space where each point is expressed by a column vector. Let | x | and ‹x, y› denote the norm and the inner product in Rd. Let Q = (Qjk) be a real d × d-matrix of which all eigenvalues have positive real parts. Let X be a process of Ornstein-Uhlenbeck type (OU type process) on Rd associated with a Levy process {Z: t ≥ 0} and the matrix Q. Main purpose of this paper is to give a recurrence-transience criterion for the process X when Q is a Jordan cell matrix and to compare it with the case when Q is diagonalizable. Here by a Levy process we mean a stochastically continuous process with stationary independent increments, starting at 0.
1978 ◽
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pp. 83-90
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2014 ◽
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1998 ◽
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2007 ◽
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2014 ◽
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2009 ◽
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pp. 542-558
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