Reflections and powers of multisorted minions
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, Opršal, and Pinsker, the closure of a multisorted minion is characterized in terms of constructions on multisorted relation...
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| Formato: | article |
| Idioma: | eng |
| Publicado em: |
2022
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| Texto completo: | http://hdl.handle.net/10362/131752 |
| País: | Portugal |
| Oai: | oai:run.unl.pt:10362/131752 |
| Resumo: | 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, Opršal, 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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