AMS Sectional Meeting AMS Special Session
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2011 Fall Central Section Meeting
University of NebraskaLincoln, Lincoln, NE
October 1416, 2011 (Friday  Sunday)
Meeting #1074
Associate secretaries:
Georgia Benkart, AMS benkart@math.wisc.edu
Special Session on Matrices and Graphs

Friday October 14, 2011, 5:00 p.m.5:50 p.m.
Special Session on Matrices and Graphs, I
Room 112, Avery Hall
Organizers:
InJae Kim, Minnesota State University injae.kim@mnsu.edu
Adam Berliner, St. Olaf College
Leslie Hogben, Iowa State University
Bryan Shader, University of Wyoming

5:00 p.m.
Positive semidefinite maximum nullity is equal to positive semidefinite zero forcing number for partial $2$trees.
Jason Ekstrand, Department of Mathematics, Iowa State University
Craig Erickson*, Department of Mathematics, Iowa State University
Diana Hay, Department of Mathematics, Iowa State University
Leslie Hogben, Department of Mathematics, Iowa State University
Jolie Roat, Department of Mathematics, Iowa State University
(107405153)

5:30 p.m.
Positive Semidefinite Zero Forcing.
Travis A. Peters*, Iowa State University
(10741564)

Saturday October 15, 2011, 8:00 a.m.10:50 a.m.
Special Session on Matrices and Graphs, II
Room 112, Avery Hall
Organizers:
InJae Kim, Minnesota State University injae.kim@mnsu.edu
Adam Berliner, St. Olaf College
Leslie Hogben, Iowa State University
Bryan Shader, University of Wyoming

8:00 a.m.
Bounding inertia sets of graphs.
Steve Butler*, Iowa State University
(107415176)

9:00 a.m.
The Inverse Inertia Problem for an Outerplanar Graph.
John Sinkovic*, Brigham Young University
(107415330)

9:30 a.m.
Minimum Skew Rank of Some Outerplanar Graphs.
Luz M. DeAlba*, Drake University
(10740551)

10:00 a.m.
The Inverse Eigenvalue Problem for Graphs of Low Minimum Rank.
Wayne Barrett*, Department of Mathematics, Brigham Young University
Seth Gibelyou, Provo, Utah
Mark Kempton, Department of Mathematics, University of California, San Diego
Nicole Malloy, Department of Mathematics, Brigham Young University
Curtis Nelson, Department of Mathematics, Brigham Young University
William Sexton, Department of Mathematics, Brigham Young University
John Sinkovic, Department of Mathematics, Brigham Young University
(107415103)

10:30 a.m.
Bounds for minimum rank problems from superpositions and cut sets.
Sivaram K. Narayan*, Central Michigan University
(10741519)

Saturday October 15, 2011, 2:30 p.m.4:15 p.m.
Special Session on Matrices and Graphs, III
Room 112, Avery Hall
Organizers:
InJae Kim, Minnesota State University injae.kim@mnsu.edu
Adam Berliner, St. Olaf College
Leslie Hogben, Iowa State University
Bryan Shader, University of Wyoming

Sunday October 16, 2011, 8:00 a.m.10:50 a.m.
Special Session on Matrices and Graphs, IV
Room 112, Avery Hall
Organizers:
InJae Kim, Minnesota State University injae.kim@mnsu.edu
Adam Berliner, St. Olaf College
Leslie Hogben, Iowa State University
Bryan Shader, University of Wyoming

8:00 a.m.
The principal rank characteristic sequence of a real symmetric matrix.
Richard Brualdi, University of WisconsinMadison
Louis Deaett*, Quinnipiac University
Dale Olesky, University of Victoria
Pauline van den Driessche, University of Victoria
(107415326)

8:30 a.m.
Patterns of Alternating Sign Matrices.
Richard A Brualdi, University of Wisconsin
Kathleen P Kiernan, University of Wisconsin
Seth A Meyer*, University of Wisconsin
Michael W Schroeder, Marshall University
(107415297)

9:00 a.m.
Cyclic Matching Sequencibility of Graphs.
Michael W Schroeder*, Marshall University
Richard A Brualdi, University of Wisconsin
Kathleen P Kiernan, University of Wisconsin
Seth A Meyer, University of Wisconsin
(107405312)

9:30 a.m.
Acyclic matrices with few distinct and few multiple eigenvalues.
Reshmi Nair*, University of Wyoming
Bryan Shader, University of Wyoming
(107405137)

10:00 a.m.
Eventually reducible matrices.
Ulrica Wilson*, Morehouse College
Leslie Hogben, Iowa State University
(107415102)

10:30 a.m.
The NilpotentCentralizer method.
Colin M Garnett*, The University of Wyoming
(10741548)
Inquiries: meet@ams.org