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arXiv 2110.03076math.GR
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可遗群的双线性近似来自sofic近似

Hyperlinear approximations to amenable groups come from sofic approximations

Peter Burton

AI总结:

本文给出了可遗群双线性性与sofic性等价的定量表述,证明双线性近似源于sofic近似,并建立了Hilbert-Schmidt与置换稳定性间的定量关系。

摘要:

我们给出了可遗群的双线性性与sofic性之间等价的定量表述,表明对这类群的每个双线性近似本质上都是由sofic近似产生的。这转化为近似同态在Hilbert-Schmidt稳定性与置换稳定性之间的定量关系,这些近似同态适当地分离了群的元素。

英文摘要:

We provide a quantitative formulation of the equivalence between hyperlinearity and soficity for amenable groups, showing that every hyperlinear approximation to such a group is essentially produced from a sofic approximation. This translates to a quantitative relationship between Hilbert-Schmidt and permutation stability for approximate homomorphisms which appropriately separate the elements of the group.

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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