Abstract In the present paper surplus process perturbed by diffusion are considered.The distributions ofthe surplus immediately before and at ruin corresponding to the probabilities of ruin caused by oscillation andruin caused by a claim are studied.Some joint distribution densities are obtained.Techniques from martingaletheory and renewal theory are used.
机构:
Chongqing Univ Technol, Sch Math & Stat, Chongqing 400054, Peoples R ChinaChongqing Univ Technol, Sch Math & Stat, Chongqing 400054, Peoples R China
Wu, Yong
Hu, Xiang
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机构:
Chongqing Univ Technol, Sch Math & Stat, Chongqing 400054, Peoples R ChinaChongqing Univ Technol, Sch Math & Stat, Chongqing 400054, Peoples R China