Greedy matching conjecture for delooped Khovanov complexes
Let be a tangle diagram, let be its delooped Khovanov complex, and let be the greedy partial matching on the graph .
Greedy matching conjecture. For any tangle diagram , the greedy matching is a Morse matching on the delooped Khovanov complex .
The construction automatically satisfies the finiteness, matching, and isomorphism conditions of discrete Morse theory; the unresolved issue is the absence of directed cycles. The claim would imply acyclicity of the greedy matching for every tangle diagram.
References
Primary source
Tuomas Kelomäki, “Morse matchings and Khovanov homology of 4-strand torus links”, arXiv:2507.15060 (2025).
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