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arXiv 1202.4716math.GR
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具有局部不变序的Amenable groups是局部可指示的

Amenable groups with a locally invariant order are locally indicable

Peter Linnell, Dave Witte Morris

摘要:

我们证明了每个具有局部不变偏序的顺从群都具有左不变全序(因此是局部可指示的)。我们还证明了,如果群G有一个左不变全序,且H是G的局部幂零子群,则可以选择G上的一个左不变全序,使得它对H的限制既是左不变的,也是右不变的.这两个结果遵循的递归性质的作用G的二元关系。

英文摘要:

We show that every amenable group with a locally invariant partial order has a left-invariant total order (and is therefore locally indicable). We also show that if a group G admits a left-invariant total order, and H is a locally nilpotent subgroup of G, then a left-invariant total order on G can be chosen so that its restriction to H is both left-invariant and right-invariant. Both results follow from recurrence properties of the action of G on its binary relations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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