紧: Ⅰ形容词1.(物体受到几方面的拉力或压力以后呈现的紧张状态) taut; tight 短语和例子把绳子拉紧 pull the rope taut; 弓弦绷得很紧。 the bowstring is stretched taut.2.(物体受外力作用变得固定或牢固) fast; firm 短语和例子把螺丝拧紧 tighten the screw; 把门关紧 make the
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Connected locally compact group 连通局部紧群
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Equivalence theorem about weak convergence of probability measures ' convolution powers on locally compact groups 局部紧群上概率测度卷积幂弱收敛等价性定理
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We find a simple relation between the maximal ergodic subgroup and distal properties of algebraic actions and characterize the distal properties of zd algebraic actions . we also prove that if the group action is equicontinuous then ergodicity and topological transitivity are equivalent 讨论了离散群在紧群上代数作用的极大遍历子群与distal性质的关系;给出了z ~ d代数作用的distal性质的刻画;证明了离散群等度连续作用下,遍历与拓扑可迁等价。