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AN ESTIMATE ON THE DISTRIBUTION AND MOMENTS OF THE LAST EXIT TIME OF AN ELLIPTIC DIFFUSION PROCESS

李波; 刘禄勤   

  1. 华中师范大学数学与统计学院, 武汉 430079 武汉大学数学与统计学院, 武汉 430072
  • 收稿日期:2004-08-14 修回日期:1900-01-01 出版日期:2006-10-20 发布日期:2006-10-20
  • 通讯作者: 李波
  • 基金资助:

    Research supported in part by Tianyuan Fund ofr Mathematics of NSFC (10526021) and A Grant from Ministry of Education

AN ESTIMATE ON THE DISTRIBUTION AND MOMENTS OF THE LAST EXIT TIME OF AN ELLIPTIC DIFFUSION PROCESS

Li Bo; Liu Luqin   

  1. School of Mathematics and Statistics, Huazhong Normal University, Wuhan 430079, ChinaSchool of Mathematics and Statistics, Wuhan University, Wuhan 430072, China
  • Received:2004-08-14 Revised:1900-01-01 Online:2006-10-20 Published:2006-10-20
  • Contact: Li Bo

摘要:

Let LB be the last exit time from a compact set B of an elliptic diffusion process X. A moderate estimate for the distribution of LB is obtained, and the sufficient and necessary condition for Ex (LBk)<[infinty] is proved.

关键词: Last exit time, moment, transience, distribution, diffusion process

Abstract:

Let LB be the last exit time from a compact set B of an elliptic diffusion process X. A moderate estimate for the distribution of LB is obtained, and the sufficient and necessary condition for Ex (LBk)<[infinty] is proved.

Key words: Last exit time, moment, transience, distribution, diffusion process

中图分类号: 

  • 60J25