...定义1.2设M是某些正整数的集合(有限或无限),如果对存在s(t,M,u)的任意正整数移,有u∈M,那么称M为tBD闭集(closed set). 设Ⅳ是某些正整数的集合(有限或无限),Bt(K)是使s(t,K,V)存在的所有正整数”的全体,则B£(Ⅳ)是tBD闭集,并称之为...
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relatively closed set [数] 相对闭集
locally closed set 局部闭集
bounded closed set [数] 有界闭集
multiplicatively closed set 积闭集
nonempty closed set [数] 非空闭集
closed set basis 闭集基
relative closed set [数] 相对闭集
First we get a sufficient and necessary condition of zero entropy. Next, as application, we study the character of tree map whose periodic points form a closed set.
作为应用,又讨论了周期点是闭集的树映射的特征,以及混沌集与不变测度的关系。
参考来源 - 树映射若干动力性质研究及一类概周期微分方程概周期解的存在性·2,447,543篇论文数据,部分数据来源于NoteExpress
N a set that includes all the values obtained by application of a given operation to its members 闭集 [maths]
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