Arbitrarily large torsion in Khovanov cohomology

被引：1

|

作者：

Mukherjee, Sujoy ^{[1
]}

Schuetz, Dirk ^{[2
]}

机构：

[1] Ohio State Univ, Dept Math, 100 Math Tower,231 West 18th Ave, Columbus, OH 43210 USA

[2] Univ Durham, Dept Math Sci, Upper Mountjoy Campus,Stockton Rd, Durham DH1 3LE, England

来源：

QUANTUM TOPOLOGY | 2021年 / 12卷 / 02期

关键词：

Knots and links; Khovanov cohomology; torsion; HOMOLOGY;

D O I：

10.4171/QT/149

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

For any positive integer k and p is an element of {3, 5, 7} we construct a link which has a direct summand Z/p(k)Z in its Khovanov cohomology.

引用

收藏

页码：243 / 264

页数：22

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