首页> 外文期刊>International journal of algebra and computation >PROFINITE COMPLETION OF GRIGORCHUK'S GROUP IS NOT FINITELY PRESENTED
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PROFINITE COMPLETION OF GRIGORCHUK'S GROUP IS NOT FINITELY PRESENTED

机译:格里高楚克群的完备化不是有限的

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摘要

In this paper we prove that the profinite completion ? of the Grigorchuk group G is not finitely presented as a profinite group. We obtain this result by showing that H~2(?, F_2) is infinite dimensional. Also several results are proven about the finite quotients G/Stg (n) including minimal presentations and Schur Multipliers.
机译:在本文中,我们证明了无限完成? Grigorchuk组G的G不能有限地表示为有限组。通过显示H〜2(?, F_2)是无穷大,我们得到了这个结果。还证明了关于有限商G / Stg(n)的一些结果,包括最小表示和Schur乘数。

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