AMS Sectional Meeting Program by Special Session

Current as of Saturday, October 29, 2005 01:24:04

2005 Fall Central Section Meeting
Lincoln, NE, October 21-23, 2005
Meeting #1011

• Friday October 21, 2005, 1:45 p.m.-3:40 p.m.
  Special Session on Combinatorial Matrix Theory, I
  Room 120, Burnett Hall
  Organizers:
  Leslie Hogben, Iowa State University lhogben@iastate.edu
  Bryan L. Shader, University of Wyoming bshader@uwyo.edu
  

  • 1:45 p.m.
    Sign patterns, inverses, and generalized inverses.
    Thomas Britz, Technical University of Denmark
    Dale Olesky, Department of Computer Science, University of Victoria, Canada
    Pauline vanden Driessche, Department of Mathematics, University of Victoria, Canada
    Bryan L. Shader*, Mathematics Department, University of Wyoming
    (1011-15-137)
  • 2:15 p.m.
    On Spectrally Arbitrary Patterns.
    Michael S. Cavers, Univeristy of Waterloo
    In-Jae Kim, University of Wyoming
    Bryan L. Shader, University of Wyoming
    Kevin N. Vander Meulen*, Redeemer University College
    (1011-15-106)
  • 2:45 p.m.
    Spectrally Arbitrary Zero-Nonzero Patterns.
    Judith J McDonald*, Washington State University
    (1011-15-159)
  • 3:15 p.m.
    Ray Patterns, Determinants and Inversion.
    Jeffrey Stuart*, Pacific Lutheran University
    (1011-15-179)
• Saturday October 22, 2005, 8:00 a.m.-11:30 a.m.
  Special Session on Combinatorial Matrix Theory, II
  Room 19, Avery Hall
  Organizers:
  Leslie Hogben, Iowa State University lhogben@iastate.edu
  Bryan L. Shader, University of Wyoming bshader@uwyo.edu
  

  • 8:00 a.m.
    The Minimal Rank Problem and Forbidden Subgraphs.
    Wayne Barrett*, Department of Mathematics, Brigham Young University
    Jason Grout, Brigham Young University
    Don March, University of Florida
    Hein van der Holst, Eindhoven University of Technology
    Raphael Loewy, Technion-Israel Institute of Technology
    (1011-15-202)
  • 8:30 a.m.
    The Minimal Rank Problem Over Finite Fields and Projective Geometries.
    Jason Grout*, Brigham Young University
    Wayne Barrett, Brigham Young University
    Don March, University of Florida
    (1011-15-203)
  • 9:00 a.m.
    Minimum Rank Problem and zero patterns.
    Francesco Barioli*, University of Tennessee Chattanooga
    (1011-15-296)
  • 9:30 a.m.
    The Minimum Positive Semi-definite Rank of a Graph.
    Sivaram K. Narayan*, Central Michigan University
    (1011-15-133)
  • 10:00 a.m.
    Minimum Rank and Maximum Eigenvalue Multiplicity of Symmetric Tree Sign Patterns.
    Luz M. DeAlba*, Drake University
    Timothy L. Hardy, Chadron State College
    Irvin R. Hentzel, Iowa State University
    Leslie Hogben, Iowa State University
    Amy Wagsness, Iowa State University
    (1011-15-117)
  • 10:30 a.m.
    Sign patterns that almost require a unique rank.
    Zhongshan Li*, Georgia State University
    Marina Arav, Georgia State University
    Yubin Gao, North University of China
    Frank Hall, Georgia State University
    Selcuk Koyuncu, Georgia State University
    (1011-15-175)
  • 11:00 a.m.
    On the Exponents of Oscillatory Matrices.
    Shaun M Fallat*, University of Regina
    (1011-15-103)
• Saturday October 22, 2005, 3:00 p.m.-4:55 p.m.
  Special Session on Combinatorial Matrix Theory, III
  Room 19, Avery Hall
  Organizers:
  Leslie Hogben, Iowa State University lhogben@iastate.edu
  Bryan L. Shader, University of Wyoming bshader@uwyo.edu
  

  • 3:00 p.m.
    An Interlacing Result on Normalized Laplacians.
    Guantao Chen, Georgia State University
    George Davis, Georgia State University
    Frank Hall*, Georgia State University
    Zhongshan Li, Georgia State University
    Kinnari Patel, Emory University
    Michael Stewart, Georgia State University
    (1011-15-49)
  • 3:30 p.m.
    Some remarks on uni-spectral graphs.
    Wasin So*, San Jose State University
    (1011-15-19)
  • 4:00 p.m.
    Corona of two Graphs.
    Sasmita Barik, Indian Institute of Technology Guwahati
    Sukanta Pati, Indian Institute of Technology Guwahati
    Bhaba Kumar Sarma*, Indian Institute of Technology Guwahati
    (1011-05-52)
  • 4:30 p.m.
    Perfect matchings, eigenvalues and expansion.
    Sebastian M Cioab\u{a}*, Queen's University at Kingston
    (1011-05-156)
• Sunday October 23, 2005, 8:30 a.m.-11:30 a.m.
  Special Session on Combinatorial Matrix Theory, IV
  Room 19, Avery Hall
  Organizers:
  Leslie Hogben, Iowa State University lhogben@iastate.edu
  Bryan L. Shader, University of Wyoming bshader@uwyo.edu
  

  • 8:30 a.m.
    Matrix Completion Problems.
    Leslie Hogben*, Iowa State University
    (1011-15-47)
  • 9:00 a.m.
    Some results on the matrix completion problem for various classes of $P_{0,1}$-matrices.
    Amy Wangsness*, Fitchburg State College
    (1011-15-161)
  • 9:30 a.m.
    The Totally Nonnegative Completion Problem.
    Brenda K. Kroschel*, Univ. of St. Thomas
    Charles R. Johnson, College of William and Mary
    Emily B. Dryden, McGill University
    (1011-15-262)
  • 10:00 a.m.
    Some recent matrix results in mathematical biology.
    Chi-Kwong Li*, College of William and Mary
    (1011-15-43)
  • 10:30 a.m.
    Linear maps transforming the higher numerical ranges.
    Chi Kwong Li, College of William and Mary
    Yiu Tung Poon*, Iowa State University
    Nung Sing Sze, The University of Hong Kong
    (1011-15-189)
  • 11:00 a.m.
    Some Results on Structured M-matrices.
    J. Ding*, Department of Mathematics, The University of Southern Mississippi
    Wallace C. Pye, Department of Mathematics, The University of Southern Mississippi
    (1011-15-30)