A Formula for Khovanov Type Link Homology of Pretzel Knots

A Formula for Khovanov Type Link Homology of Pretzel Knots

Year:    2016

Author:    Meili Zhang, Fengchun Lei, Fengling Li, Dongxu Wang

Communications in Mathematical Research , Vol. 32 (2016), Iss. 3 : pp. 198–206

Abstract

Khovanov type homology is a generalization of Khovanov homology. The main result of this paper is to give a recursive formula for Khovanov type homology of pretzel knots $P(−n, −m, m)$. The computations reveal that the rank of the homology of pretzel knots is an invariant of $n$. The proof is based on a "shortcut" and two lemmas that recursively reduce the computational complexity of Khovanov type homology.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.13447/j.1674-5647.2016.03.02

Communications in Mathematical Research , Vol. 32 (2016), Iss. 3 : pp. 198–206

Published online:    2016-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    9

Keywords:    pretzel knot Khovanov type homology Frobenius algebra TQFT.

Author Details

Meili Zhang

Fengchun Lei

Fengling Li

Dongxu Wang