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math.CO2021★ 1 cited
Tropical fans and normal complexes
Anastasia Nathanson, Dustin Ross
Associated to any divisor in the Chow ring of a simplicial tropical fan, we construct a family of polytopal complexes, called normal complexes, which we propose as an analogue of t…
math.CO2021
Matroid psi classes
Jeshu Dastidar, Dustin Ross
Motivated by the intersection theory of moduli spaces of curves, we introduce psi classes in matroid Chow rings and prove a number of properties that naturally generalize propertie…