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出 处:《Chinese Science Bulletin》1997年第5期433-437,共5页
摘 要:SINCE the concept of random walks (RW) was propounded formally by Pearson in 1905, there has been extensive research in mathematics. Then it expanded to many areas such as physics, chemistry, biology, engineering, commerce and social studies. The study of confined RW is interesting because of the practical applications. An RW terminally attached to an impene-
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