Reflections and powers of multisorted minions
نویسندگان
چکیده
Abstract Classes of multisorted minions closed under extensions, reflections, and direct powers are considered from a relational point view. As generalization result Barto, Opršal, Pinsker, the closure minion is characterized in terms constructions on relation pairs which invariant for minions.
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ژورنال
عنوان ژورنال: Algebra Universalis
سال: 2021
ISSN: ['0002-5240', '1420-8911']
DOI: https://doi.org/10.1007/s00012-020-00707-0