摘要
The concepts of branching chain in random environmnet and canonical branching chain in random environment are introduced.Moreover the existence of these chains is proved.Finally the exact formulas of mathematical expectation and variance of branching chain in random environment are also given.
作者
Hu Dihe
胡迪鹤(The College of Mathematics and Statistics,Wuhan University,Wuhan 430072,China)
基金
Supported by NNSF of china(10371092)
the Foundation of Wuhan University