Titolo: Semigroups. Theory and Applications: Proceedings of a Conference held in Oberwolfach, FRG, Feb. 23 - Mar. 1, 1986 (Lecture Notes in Mathematics, 1320)
Editore: Springer
Data di pubblicazione: 1988
Lingua: Inglese
ISBN 10: 3540193472
ISBN 13: 9783540193470
Rilegatura: Brossura
Condizione: New

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Contenuti

Some congruences on regular semigroups.- On pseudovarieties of monoids.- Systems of equations over a finitely generated free monoid having an effectively findable equivalent finite subsystem.- Minimal congruences and coextensions in semigroups.- Endomorphism monoids of acts are wreath products of monoids with small categories.- Free right h-Adequate semigroups.- Group and semigroup theoretic considerations inspired by inverse problems of the additive number theory.- Correspondences of semigroups.- On universality of extensions.- On additively or multiplicatively idempotent semirings and partial orders.- Congruence semimodular varieties of semigroups.- Decomposition of languages into disjunctive outfix codes.- Some algorithms for semigroups and monoids presented by a single relation.- Remarks on acts and the lattice of their torsion theories.- Relativized star-free expressions, first-order logic, and a concatenation game.- Semigroup extensions of partial groupoids.- On groups having finite monadic church-rosser presentations.- Automated theorem proving applied to the theory of semigroups.- Subdirectly irreducible we-2 semigroups with globally idempotent core.- Commutative monoid rings with krull dimension.- Languages induced by certain homomorphisms of a free monoid.- Infima in the power set of free semigroups.- Update on the problems in "inverse semigroups" by M. Peterich.- Minimal clans: A class of ordered partial semigroups including boolean rings and lattice-ordered groups.- Les systemes entiers d'equations sur un alphabet de 3 variables.- A new interpretation of free orthodox and generalized inverse *-semigroups.- Varieties of completely regular semigroups: Their injectives.- Generalized semialgebras over semirings.

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