A delay theorem for pointlikes |
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Authors: | Benjamin Steinberg |
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Institution: | (1) Faculdade de Ciências da Universidade do Porto 4099-002 Porto, Portugal bsteinbg@agc0.fc.up.pt, PT |
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Abstract: | This paper shows that, for a pseudovariety V of monoids, V * D has decidable pointlikes if and only if V does. In the process,
we develop a theory of pointlike sets for categories and a generalization of the Derived Category Theorem to understand how
pointlike sets behave with respect to the semidirect product. This paper is intended to be the first of two papers concerning
algorithmic problems for semidirect products of pseudovarieties. |
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Keywords: | |
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