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math.HO2024
Morphisms (should be) everywhere
Attila Egri-Nagy, Miklós Hoffmann
Morphisms, structure preserving maps, are everywhere in Mathematics as useful tools for thinking and problem solving, or as objects to study. Here, we argue that the idea of operat…
math.GR2024
From Relation to Emulation and Interpretation: Computer Algebra Implementation of the Covering Lemma for Finite Transformation Semigroups
Attila Egri-Nagy, Chrystopher L. Nehaniv
We give a practical computer algebra implementation of the Covering Lemma for finite transformation semigroups. The lemma states that given a surjective relational morphism $(X,S)\…