21 citations · 40 across the 14 of their papers we have counts for
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math.GT2020
Shifting chain maps in quandle homology and cocycle invariants
Yu Hashimoto, Kokoro Tanaka
Quandle homology theory has been developed and cocycles have been used to define invariants of oriented classical or surface links. We introduce a shifting chain map on each qu…
math.GT2020★ 3 cited
The bridge number of surface links and kei colorings
Kouki Sato, Kokoro Tanaka
Meier and Zupan introduced bridge trisections of surface links in as a 4-dimensional analogue to bridge decompositions of classical links, which gives a numerical invariant o…