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LOCALLY COMMUTATIVE POWER SEMIGROUPS AND COUNTING FACTORS OF WORDS

Title
LOCALLY COMMUTATIVE POWER SEMIGROUPS AND COUNTING FACTORS OF WORDS
Type
Article in International Scientific Journal
Year
1993
Authors
ALMEIDA, J
(Author)
FCUP
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Journal
Vol. 108
Pages: 3-16
ISSN: 0304-3975
Publisher: Elsevier
Scientific classification
FOS: Natural sciences > Computer and information sciences
Other information
Authenticus ID: P-001-NEH
Abstract (EN): This paper deals with the calculation of power pseudovarieties which consist of locally commutative semigroups. It provides the solution of some equations and inequalities involving the power operator as well as some upper bounds for specific power pseudovarieties. It turns out that all the pseudovarieties under study are contained in the pseudovariety of semigroups associated with the rational languages for which membership may be tested by a finite automaton which counts occurrences of certain factors.
Language: English
Type (Professor's evaluation): Scientific
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