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math.CO2026
Bounds on Decorated Sweep Covers in Tree Posets
Blake A. Wilson, Colin Krawchuk
We introduce decorated sweep covers as a colouring on maximal antichains in tree posets such that if two elements have the same colour they are siblings. DSCs appear in application…
math.CO2024
A gluing operation for dimer quivers
Karin Baur, Colin Krawchuk
In this article we introduce a gluing operation on dimer models. This allows us to construct dimer quivers on arbitrary surfaces. We study how the associated dimer and boundary alg…