Titlebook: Biochemical Interaction Between Plants and Insects; James W. Wallace,Richard L. Mansell Book 1976 Springer Science+Business Media New York

圓桶

A dichotomy theorem for random walks on hypergroups,We define possible and recurrent elements for random walks on commutative hypergroups and show that for a large class of random walks, either no elements is recurrent or all possible elements are recurrent and they form a closed subhypergroup.

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