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arXiv 1602.04417math.GR
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标度函数与格

The scale function and lattices

George A. Willis

摘要:

证明了:给定一个全不连通的局部紧群G中的格H,G中的压缩子群和G上的标度函数的值由它们对H的限制决定.格所固有的群论性质,如周期性或无限可分性,则被认为暗示了G的相应性质。

英文摘要:

It is shown that, given a lattice H in a totally disconnected, locally compact group G, the contraction subgroups in G and the values of the scale function on G are determined by their restrictions to H. Group theoretic properties intrinsic to the lattice, such as being periodic or infinitely divisible, are then seen to imply corresponding properties of G.

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