Consider the following Cauchy problem for the first order quasilinear strictly hyperbolic system δu/δt+A（u）δu/δx=0, t=......

Firstly,the commutativity of rings is investigated in this paper.Let R be a ring with identity.Then we obtain the follow......

本文以远域为工具讨论弱诱导Ｌ－ｆｕｚｚｙ双拓扑空间的分离性与其底空间的分离之间的关系。......

由使用量 magnetohydrodynamic 模型，在微弱地吸引的量血浆的静电的波浪被调查。电子是被对待量和吸引的种类，当离子是古典 unmagnet......

本文证明了二参数 Ornstein-Uhlenbeck 过程的沿曲线导出过程是马氏过程,并求出了导出过程的转移概率密度,同时证明了它为单参数 O......

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In the paper we introduce the notions of the separation factor κ and give a representive of metric projection on an n-c......