Magnitude homology of enriched categories and metric spaces

Magnitude homology of enriched categories and metric spaces
复制标题

丰富类别和度量空间的量级同源性

DOI:
10.2140/agt.2021.21.2175
复制
发表时间:
2017
影响因子:
0.7
通讯作者:
Michael Shulman
Michael Shulman
中科院分区:
数学3区
文献类型:
--
作者:
T. Leinster;Michael Shulman

文献摘要

参考文献

被引文献

相似文献

幅度是丰富范畴的数值不变量,特别包括度量空间作为$[0,\infty)$-丰富范畴。我们发现,在许多情况下,幅度可以归类为一个丰富的范畴,我们称之为幅度同调理论(事实上,它是一种特殊的Hochschild同调),其分次欧拉特征的幅度。度量空间的大小同调推广了图的赫普沃思-Willerton大小同调,并检测了图的凸性等几何信息.
Magnitude is a numerical invariant of enriched categories, including in particular metric spaces as $[0,\infty)$-enriched categories. We show that in many cases magnitude can be categorified to a homology theory for enriched categories, which we call magnitude homology (in fact, it is a special sort of Hochschild homology), whose graded Euler characteristic is the magnitude. Magnitude homology of metric spaces generalizes the Hepworth--Willerton magnitude homology of graphs, and detects geometric information such as convexity.
DOI: 10.1016/j.jpaa.2020.106517
发表时间: 2021
影响因子: 0.8
作者:
Govc D
通讯作者: Govc D
幺半群导数中痕量的可加性
DOI: 10.1017/is014005011jkt262
发表时间: 2014
期刊: arXiv: Algebraic Topology
影响因子: --
作者:
Moritz with Ponto;Shulman
通讯作者: Shulman
DOI: --
发表时间: 2008
影响因子: 0.9
作者:
Leinster T
通讯作者: Leinster T