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AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:09:47

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1998 Spring Southeastern Sectional Meeting
Louisville, KY, March 20-21, 1998
Meeting #931

Associate secretaries:
Robert J Daverman, AMS daverman@math.utk.edu

Special Session on Semigroups, Algorithms, and Universal Algebra

  • Friday March 20, 1998, 8:00 a.m.-10:50 a.m.
    Special Session on Semigroups, Algorithms, and Universal Algebra, I
    Room 158, Burhans Hall
    Organizers:
    Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
    Steven Seif, University of Louisville swseif01@ulkyvx.louisville.edu

    • 8:00 a.m.
      Globals of groupless groupoids.
      Kevin Blount*, Vanderbilt University
      Ralph McKenzie, Vanderbilt University
      (931-20-331)
    • 8:30 a.m.
      Injective Completeness of Certain Categories of Commutative Regular Semigroups.
      Yefim Katsov*, Hanover College
      (931-20-115)
    • 9:00 a.m.
      Varieties with few fintely generated algebras.
      Joel Berman*, University of Illinois at Chicago
      Pawe\l M. Idziak, Jagiellonian University
      (931-08-107)
    • 9:30 a.m.
      Second Centralizers of Transformations.
      Janusz Konieczny*, Mary Washington College
      (931-20-42)
    • 10:00 a.m.
      The residual character of minimal varieties of type 5 .
      Agnes Szendrei*, J\'ozsef Attila University
      (931-08-251)
    • 10:30 a.m.
      Bad three-element algebras.
      George F. McNulty*, University of South Carolina
      Ross Willard, University of Waterloo
      (931-08-301)

  • Friday March 20, 1998, 2:45 p.m.-6:35 p.m.
    Special Session on Semigroups, Algorithms, and Universal Algebra, II
    Room 158, Burhans Hall
    Organizers:
    Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
    Steven Seif, University of Louisville swseif01@ulkyvx.louisville.edu

    • 2:45 p.m.
      The variety generated by tournaments.
      Jaroslav Jezek, Charles University
      Petar Markovic, Vanderbilt University
      Miklos Maroti*, Vanderbilt University
      Ralph McKenzie, Vanderbilt University
      (931-08-323)
    • 3:15 p.m.
      Residually Small Equational Classes.
      Matt Valeriote*, Mathematics Department
      (931-08-226)
    • 3:45 p.m.
      A new construction for free inverse semigroups.
      Olga V. Poliakova, University of Arkansas
      Boris M. Schein*, University of Arkansas
      (931-20-179)
    • 4:15 p.m.
      An Equational Characterization of Residuated Lattices that are Subdirect Products of Chains.
      Constantine Tsinakis*, Vanderbilt University
      (931-06-254)
    • 4:45 p.m.
      The Classification of Commutative Minimal Clones.
      Keith A. Kearnes*, University of Louisville
      Agnes Szendrei, Bolyai Institute
      (931-08-284)
    • 5:15 p.m.
      Complexity problems for matrix rings, matrix semigroups and Rees matrix semigroups.
      Steve Seif, University of Louisville
      Csaba Szab\'o*, McMaster University
      (931-08-223)
    • 5:45 p.m.
      Fregean Logics and Fregean Quasivarieties.
      Don L. Pigozzi*, Iowa State University
      Janusz Czelakowski, Opole University
      (931-08-206)
    • 6:15 p.m.
      Decidability Results for Finite Semigroups.
      Mark Sapir*, Vanderbilt University
      (931-20-250)

  • Saturday March 21, 1998, 8:00 a.m.-10:50 a.m.
    Special Session on Semigroups, Algorithms, and Universal Algebra, III
    Room 158, Burhans Hall
    Organizers:
    Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
    Steven Seif, University of Louisville swseif01@ulkyvx.louisville.edu

    • 8:00 a.m.
      Calculating conjugates in finite transformation semigroups.
      Robert B. McFadden*, University of Louisville
      (931-20-304)
    • 9:00 a.m.
      Variations on the theme of semidirect products of regular semigroups.
      Peter R Jones*, Marquette University
      (931-20-298)
    • 9:30 a.m.
      The restricted Quackenbush conjecture.
      R. Willard*, University of Waterloo
      Keith Kearnes, University of Louisville
      (931-08-225)
    • 10:00 a.m.
      Circuits over algebras and complexity classes of parallel computations .
      Joel VanderWerf*, Neologic Systems
      (931-08-324)
    • 10:30 a.m.
      Finite bases for graph M-algebras.
      Dejan Deli\'{c}*, Department of Pure Mathematics
      (931-08-227)

  • Saturday March 21, 1998, 2:45 p.m.-6:35 p.m.
    Special Session on Semigroups, Algorithms, and Universal Algebra, IV
    Room 158, Burhans Hall
    Organizers:
    Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
    Steven Seif, University of Louisville swseif01@ulkyvx.louisville.edu

    • 2:45 p.m.
      Homotopy and semisymmetry.
      Jonathan D. H. Smith*, Iowa State University
      (931-20-229)
    • 3:15 p.m.
      Posets whose monoids of order-preserving maps are abundant.
      M. E. Adams*, State University of New York at New Paltz
      Matthew Gould, Vanderbilt University
      (931-06-245)
    • 3:45 p.m.
      Categorical Equivalence of Modes.
      Clifford H Bergman*, Iowa State University
      Joel Berman, University of Illinois at Chicago
      (931-18-138)
    • 4:15 p.m.
      Priestley Duality for Distributive and Brouwerian Semilattices.
      Jonathan D Farley*, Vanderbilt University
      (931-08-329)
    • 4:45 p.m.
      Transformation semigroups and associated permutation groups.
      Inessa Levi*, University of Louisville
      (931-20-249)
    • 5:15 p.m.
      Discussion
    • 5:45 p.m.
      Lattices with large minimal extensions.
      Ralph Freese, University of Hawaii
      Jaroslav Jezek, Charles University (Prague)
      J. B. Nation*, University of Hawaii
      (931-06-341)
    • 6:15 p.m.
      Unsolved and unsolvable problems in finite algebras and semigroups.
      Ralph McKenzie*, Vanderbilt University
      (931-08-302)
Inquiries:  meet@ams.org