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arXiv 1401.2646math.PR
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一类Feller过程的长时间行为

Long-time behavior for a class of Feller processes

Nikola Sandrić

摘要:

本文的主要结果是得到了与伪微分算子有关的Feller过程常返性的Chung-Fuchs型条件。在Lévy过程的情况下,这个条件简化为经典和著名的Chung-Fuchs条件。进一步,我们还讨论了Feller过程关于状态空间维数和Pruitt指标的常返性和瞬态性,以及Feller-Dynkin扩散和类稳定过程的常返性和瞬态性.最后,在一维对称情形下,我们研究了Feller过程的扰动不影响其常返性和瞬时性,并利用相应的Lévy测度给出了Feller过程常返性和瞬时性的充分条件.此外,还得到了常返性和瞬逝性的一些比较条件,这些比较条件也是用Lévy测度表示的.

英文摘要:

In this paper, as a main result, we derive a Chung-Fuchs type condition for the recurrence of Feller processes associated with pseudo-differential operators. In the Lévy process case, this condition reduces to the classical and well-known Chung-Fuchs condition. Further, we also discuss the recurrence and transience of Feller processes with respect to the dimension of the state space and Pruitt indices and the recurrence and transience of Feller-Dynkin diffusions and stable-like processes. Finally, in the one-dimensional symmetric case, we study perturbations of Feller processes which do not affect their recurrence and transience properties, and we derive sufficient conditions for their recurrence and transience in terms of the corresponding Lévy measure. In addition, some comparison conditions for recurrence and transience also in terms of the Lévy measures are obtained.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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