Semigroups. Theory and Applications: Proceedings of a Conference Held in Oberwolfach, Frg, Feb. 23 - Mar. 1, 1986

By Helmut Ja1/4rgensen

Contents: B.P. Alimpic, D.N. Krgovic: Some Congruences on Regular Semigroups.- J. Almeida: On Pseudovarieties of Monoids.- K. Culik II, J. Karhum?ki: Systems of Equations over a Finitely Generated Free Monoid Having an Effectively Findable Equivalent Finite Subsystem.- M. Demlov?, V. Koubek: Minimal Congruences and Coextensions in Semigroups.- V. Fleischer, U. Knauer: Endomorphisms Monoids of Acts are Wreath Products of Monoids With Small Categories.- J. Fountain: Free Right H-Adequate Semigroups.- G.A. Freiman, B.M. Schein: Group and Semigroup Theoretic Considerations Inspired by Inverse Problems of the Additive Number Theory.- S.M. Goberstein: Correspondences of Semigroups.- P. Goralcik, V. Koubek: On Universality of Extensions.- U. Hebisch, L.C.A. van Leeuwen: On Additively and Multiplicatively Idempotent Semirings and Partial Orders.- P.R. Jones: Congruence Semimodular Varieties of Semigroups.- M. Katsura, H.J. Shyr: Decomposition of Languages into Disjunctive Outfix Codes.- G. Lallement: Some Algorithms for Semigroups and Monoids Presented by a Single Relation.- W. Lex: Remarks on Acts and the Lattice of Their Torsion Theories.- D.Lippert, W. Thomas: Relativized Star-Free Expresssions, First-order Logic, and a Concatenation Game.- E.S. Ljapin: Semigroup Extensions of Partial Groupoids.- K. Madlener, F. Otto: On Groups Having Finite Monadic Church-Rosser Presentations.- R.B. McFadden: Automated Theorem Proving Applied to the Theory of Semigroups.- A. Nagy: Subdirectly Irreducible WE-2 Semigroups with Globally Idempotent Core.- J. Okninski: Commutative Monoid Rings with Krull Dimension.- M. Petrich, G. Thierrin: Languages Induced by Certain Homomorphisms of a Free Monoid.- G. Poll?k: Infima in the Power Set of Free Semigroups.- N.R. Reilly: Update on the Problems in 'Inverse Semigroups' by M. Petrich.- K.D. Schmidt: Minimal Clans: a Class of Ordered Partial Semigroups Including Boolean Rings and Lattice-ordered Groups.- J.-C. Spehner: Les syst?mes entiers d'?quations sur un alphabet de 3 variables.- M.B. Szendrei: A New Interpretation of Free Orthodox and Generalized Inverse *-semigroups.- P.G. Trotter: Varieties of Completely Regular Semigroups: Their Injectives.- H.J. Weinert: Generalized Semialgebras Over Semirings.

• Format: Paperback
• Language: English
• ISBN: 3540193472
• ISBN13: 9783540193470
• Release Date: June 1988
• Publisher: Springer
• Length: 422 Pages
• Weight: 1.33 lbs.
• Dimensions: 0.9" x 6.1" x 9.2"