那个并非脊柱的脊柱
几何拓扑
2007-05-23 v1
摘要
设 Tn 为 n 维环面上平坦度量的 Teichmüller 空间,并将 SL(n,Z) 识别为相应的映射类群。我们证明,由那些其 systoles 生成环面基本群的点组成的子集 Y,在 n>4 时不是可缩的。特别地,Y 不是 Tn 的 SL(n,Z)-等变形变收缩核。
关键词
引用
@article{arxiv.0705.0170,
title = {The spine which was no spine},
author = {Alexandra Pettet and Juan Souto},
journal= {arXiv preprint arXiv:0705.0170},
year = {2007}
}
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