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math.CO2025
Coherent configurations and Frobenius structures
Gejza Jenča, Anna Jenčová, Dominik Lachman
We prove that coherent configurations can be represented as modules over Frobenius structures in the category of real nonnegative matrices. We generalize the notion of admissible m…
math.CT2025
Monoidal Quantaloids
Gejza Jenča, Bert Lindenhovius
We investigate how to add a symmetric monoidal structure to quantaloids in a compatible way. In particular, dagger compact quantaloids turn out to have properties that are similar…