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math.CO2026
Multisymmetric functions on eventually constant cyclic graphs
Radford Green, Cornell Holmes, Mee Seong Im
The study of spanning trees and related structures is central in graph theory, closely connected to understanding functions between finite sets. This paper generalizes the establis…
math.CO2025
Eventually constant maps for two sets and nilpotent pairs
Weixi Chen, Mee Seong Im, Catherine Lillja +1
We give a bijective correspondence between the number of nilpotent matrices over a Boolean semiring and the number of directed acyclic graphs on ordered vertices. We then enumerate…