AMS Sectional Meeting Program by Special Session

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

Program | Deadlines | Registration/Housing/Etc. | Special Event or Lecture | Inquiries: meet@ams.org

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

Associate secretaries:
Susan J Friedlander, AMS susan@math.northwestern.edu

Special Session on Combinatorial Matrix Theory

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)

Inquiries: meet@ams.org