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math.CO2023
Partitioning into common independent sets via relaxing strongly base orderability
Kristóf Bérczi, Tamás Schwarcz
The problem of covering the ground set of two matroids by a minimum number of common independent sets is notoriously hard even in very restricted settings, i.e.\ when the goal is t…
math.CO2023
Matroid Horn functions
Kristóf Bérczi, Endre Boros, Kazuhisa Makino
Hypergraph Horn functions were introduced as a subclass of Horn functions that can be represented by a collection of circular implication rules. These functions possess distinguish…