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AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:09:04

Program  |  Deadlines  |  Inquiries:  meet@ams.org

Central 1993 Spring Sectional Meeting
DeKalb, IL, May 20-23, 1993
Meeting #882

Associate secretaries:
Andy R Magid, AMS amagid@ou.edu

Special Session on Combinatorics

  • Thursday May 20, 1993, 1:00 p.m.-3:50 p.m.
    Special Session on Combinatorics, I
    Room 204A, DuSable Hall

    • 1:00 p.m.
      On jumping constant conjecture for multigraphs.
      Vojtech R\"odl, Emory University
      Alexander Sidorenko*, Courant Institute of Mathematical Sciences, New York University
      (882-05-174)
    • 1:30 p.m.
      Incidence posets of trees in posets of large dimension.
      Graham R. Brightwell, London School of Economics, England
      William T. Trotter*, Bellcore, Morristown, New Jersey
      (882-06-162)
    • 2:00 p.m.
      Negative density results in Euclidean Ramsey Theory.
      R. L. Graham*, AT&T Bell Laboratories, Murray Hill, New Jersey
      (882-05-140)
    • 2:30 p.m.
      On a problem of embedding graphs into the plain.
      Mario Szegedy*, AT&T Bell Laboratories, Murray Hill, New Jersey
      (882-05-160)
    • 3:00 p.m.
      Some geometric applications of extremal graph theory.
      J\'anos Pach*, Courant Institute of Mathematical Sciences, New York University
      (882-05-154)
    • 3:30 p.m.
      Inequalities on codes with restricted distances.
      Richard M. Wilson*, California Institute of Technology
      (882-05-157)

  • Friday May 21, 1993, 8:00 a.m.-10:50 a.m.
    Special Session on Combinatorics, II
    Room 204A, DuSable Hall

    • 8:00 a.m.
      On generalizations of the deBruijn-Erdos Theorem.
      Hunter S. Snevily*, California Institute of Technology
      (882-05-175)
    • 8:30 a.m.
      New constructions of bipartite graphs on m,n vertices, with many edges, and without small cycles.
      Felix Lazebnik*, University of Delaware
      V. A. Ustimenko, Kiev State University, Ukraine
      A. J. Woldar, Villanova University
      (882-05-94)
    • 9:00 a.m.
      Turan type results for graphs with many triangles.
      P. Erd\"os, Hungarian Academy of Science, Hungary
      Z. F\"uredi, University of Illinois, Urbana-Champaign
      R. Gould, Emory University
      D. S. Gunderson*, Emory University
      (882-05-187)
    • 9:30 a.m.
      On Erdos problem about bandwidth of graphs.
      Jianfang Wang, Academia Sinica, People's Republic of China
      Douglas B. West*, University of Illinois, Urbana-Champaign
      Bing Yang, Northwest Normal University, China
      (882-05-163)
    • 10:00 a.m.
      Hadwiger's conjecture for K_6-free graphs.
      Robin Thomas*, Georgia Institute of Technology
      (882-05-161)
    • 10:30 a.m.
      Eigenvalues and separators of graphs.
      Fan R.K Chung*, Bellcore, Morristown, New Jersey
      (882-05-176)

  • Friday May 21, 1993, 4:30 p.m.-5:50 p.m.
    Special Session on Combinatorics, III
    Room 204A, DuSable Hall

    • 4:30 p.m.
      Asymptotic enumeration of full graphs.
      D. J. Kleitman*, Massachusetts Institute of Technology
      F. Lasaga, Massachusetts Institute of Technology
      L. J. Cowen, Massachusetts Institute of Technology
      (882-05-153)
    • 5:00 p.m.
      Graph generated union-closed families and the union-closed sets conjecture.
      Emanuel Knill*, Los Alamos National Laboratory
      (882-05-155)
    • 5:30 p.m.
      Two-part shadows.
      G. O. H. Katona*, University of Illinois, Urbana-Champaign and Mathematical Institute of Hungarian Academy of Sciences, Hungary
      (882-05-173)

  • Saturday May 22, 1993, 9:30 a.m.-10:50 a.m.
    Special Session on Combinatorics, IV
    Room 204A, DuSable Hall

    • 9:30 a.m.
      Lower bounds for chromatic numbers of hypergraphs. The topological method.
      Igor Kriz*, Chicago University
      (882-05-164)
    • 10:00 a.m.
      The crossing number of a graph on a compact 2-manifold.
      F. Shahrokhi, University of New Mexico
      O. S\'ykora, University of New Mexico
      L. A. Sz\'ekely*, University of New Mexico
      I. Vr\v to, University of New Mexico
      (882-05-159)
    • 10:30 a.m.
      Some recent developments of the Erdos Ginzburg Ziv theorem.
      A. Bialostocki*, University of Idaho
      (882-05-169)

  • Saturday May 22, 1993, 1:00 p.m.-2:20 p.m.
    Special Session on Combinatorics, V
    Room 204A, DuSable Hall

    • 1:00 p.m.
      Addition of residue classes modulo p^n.
      B\'ela Bollob\'as*, University of Cambridge, England
      (882-11-158)
    • 1:30 p.m.
      What is the structure of A+A if A+A is large?
      Vera T. S\'os*, Hungarian Academy of Science, Hungary
      (882-11-156)
    • 2:00 p.m.
      On a problem of Rohrbach for finite groups.
      Xing-De Jia*, Southwest Texas State University
      (882-11-80)
Inquiries:  meet@ams.org