Philipp Korablev
Published 2023-11-07Version 1
We introduce the notion of a hierarchical quandle, which is a generalisation of diquandles and multi-quandles. Using hierarchical quandle colourings, we construct a cocycle invariants for links coloured by quandles.
Shifting chain maps in quandle homology and cocycle invariants
Cocycle invariants of codimension 2-embeddings of manifolds
Multi-quandles of topological pairs
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