Surface groups are flexibly stable
Surface groups are flexibly stable
复制标题
表面基团灵活稳定
DOI:
10.4171/jems/1406
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发表时间:
2019
影响因子:
2.6
通讯作者:
Y. Minsky
中科院分区:
文献类型:
--
作者:
Nir Lazarovich;Arie Levit;Y. Minsky
We show that surface groups are flexibly stable in permutations. Our method is purely geometric and relies on an analysis of branched covers of hyperbolic surfaces. Along the way we establish a quantitative variant of the LERF property for surface groups which may be of independent interest.