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math.CO2025
Universal perspectives on irredundance for X-set parameters
Bryan Curtis, Mary Flagg, Leslie Hogben
Universal definitions of irredundance for X-set parameters are presented using blocking sets. This approach is modeled on (domination) irredundance (which uses closed neighborhoods…
math.CO2025
Matrix Apportionment: General Cases and Apportionment Constants
Dustin R. Baker, Bryan A. Curtis, Joe Miller +1
A matrix is apportionable if it is similar to a matrix whose entries have equal moduli. This paper shows that all nilpotent matrices and all matrices with rank at most half their o…