From mapping class groups to monoids of homology cobordisms: a survey

From mapping class groups to monoids of homology cobordisms: a survey
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从映射类群到同源共边的幺半群:一项调查

DOI:
10.4171/103-1/9
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发表时间:
2010
期刊:
arXiv: Geometric Topology
影响因子:
--
通讯作者:
G. Massuyeau
G. Massuyeau
中科院分区:
--
文献类型:
--
作者:
K. Habiro;G. Massuyeau

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设S是一个紧致定向曲面。S的同源配边是两个S拷贝之间的配边C,使得S在C中的“顶部”包含和“底部”包含都诱导同源同构。S的同调配边构成幺半群,S的映射类群通过映射柱构造嵌入到幺半群中。本文综述了同调配边幺半群的结构研究的最新成果,并概述了它们与映射类群研究的关系。我们主要对S的边界为空或连通的情形感兴趣。
Let S be a compact oriented surface. A homology cobordism of S is a cobordism C between two copies of S, such that both the "top" inclusion and the "bottom" inclusion of S in C induce isomorphisms in homology. Homology cobordisms of S form a monoid, into which the mapping class group of S embeds by the mapping cylinder construction. In this paper, we survey recent works on the structure of the monoid of homology cobordisms, and we outline their relations with the study of the mapping class group. We are mainly interested in the cases where the boundary of S is empty or connected.
拉格朗日配边函数 LMO 不变量
DOI: --
发表时间: 2008
期刊: Geom. Topol 12
影响因子: --
作者:
D. Cheptea;K. Habiro and G. Massuyeau
通讯作者: K. Habiro and G. Massuyeau
Shigeyuki MORITA:“关于 Torelli 群和 Casson 不变量的结构”拓扑。
DOI: --
发表时间: --
期刊:
影响因子: --
作者:
通讯作者: --
同调圆柱的幺半群的阿贝尔商
DOI: --
发表时间: 2011
期刊: Geometriae Delicata
影响因子: --
作者:
H.Goda;T.Sakasai
通讯作者: T.Sakasai