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Reflections and powers of multisorted minions
Published 9 Jan 2020 in math.RA | (2001.02931v2)
Abstract: Classes of multisorted minions closed under extensions, reflections, and direct powers are considered from a relational point of view. As a generalization of a result of Barto, Opr\v{s}al, and Pinsker, the closure of a multisorted minion is characterized in terms of constructions on multisorted relation pairs which are invariant for minions.
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