JOURNAL ARTICLE

一个与Wiener过程增量连续模有关的下极限收敛速度问题

坤会 刘

Year: 1987 Journal:   Science in China Series A-Mathematics Physics Astronomy & Technological Science (in Chinese) Vol: 17 (11)Pages: 1121-1129   Publisher: Science China Press

Abstract

设W(t),t≥0为标准Wiener过程,αT为T的函数且0<αT≤T,limT→∞ log(T/αT)/loglogT=r,本文证明了 c1(r/(1+r))1/2≤liminfT→∞(loglogT)1/2maxαT≤t≤T|W(T)-W(T-t)|/{2t[log(T/t)+loglogt]}1/2≤c2(r/(1+r))1/2,a.s,这儿c1和c2为正常数.

Keywords:
Physics

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