2 papers
math.GT2025
2-cabling and tangle operators in Khovanov theory
Mihai Marian
We describe an operator on 4-ended tangles that is induced by 2-cabling of a strongly invertible knot. By passing to the 4-ended tangle Khovanov theory of Kotelskiy-Watson-Zibrowiu…
math.GT2025
A Remark on the Lewark-Zibrowius Invariant
Mihai Marian
We prove a conjecture about the concordance invariant , defined in a recent paper by Lewark and Zibrowius. This result simplifies the relation between and Ra…