期刊论文详细信息
Canadian mathematical bulletin
The Time Change Method and SDEs with Nonnegative Drift
V. P. Kurenok1 
[1] Department of Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, WI, USA
关键词: One-dimensional SDEs;    symmetric stable processes;    nonnegative drift;    time change;    integral estimates;    weak convergence;   
DOI  :  10.4153/CMB-2010-048-9
学科分类:数学(综合)
来源: University of Toronto Press * Journals Division
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【 摘 要 】

Using the time change method we show how to construct a solution to the stochastic equation $dX_t=b(X_{t-})dZ_t+a(X_t)dt$ with a nonnegative drift $a$ provided there exists a solution to the auxililary equation $dL_t=[a^{-1/alpha}b](L_{t-})dar Z_t+dt$ where $Z, ar Z$ are two symmetric stable processes of the same index $alphain(0,2]$. This approach allows us to prove the existence of solutions for both stochastic equations for the values $0

【 授权许可】

Unknown   

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