MS1 Combinatorial Matrix Theory

Organizers: Leslie Hogben, Iowa State University, and Bryan Shader, University of Wyoming

MS1 Wednesday Morning

10:35 A Conjecture in Combinatorial Matrix Theory
Brualdi, Richard A.
University of Wisconsin, Madison, USA

11:00 Group Inverses of Matrices with Path Graphs
Olesky, Dale
University of Victoria, Canada,
(with M. Catral and P. van den Driessche)

11:25 Constructing Laplacian Integral Split Graphs
Kirkland, Steve
University of Regina, Canada
(with N. Abreu, M. de Freitas and R. Del Vecchio)

11:50 Potential Diagonal and D-convergence
Pryporova, Olga
Iowa State University, Ames, IA, USA

12:15 The Colin de Verdière Parameter- a progress report
Berman, Avi
Technion, Tel Aviv, Israel

MS1 Thursday Morning

10:35 Minimum rank of edge subdivisions of complete graphs and wheels
Barrett, Wayne
Brigham Young University, Utah
(with Ryan Bowcutt, Mark Cutler, Seth Gibelyou, and Kayla Owens)

11:00 Computing the minimum rank of partial $2$-trees
van der Holst, Hein
Eindhoven University of Technology, The Nederlands

11:25 Characterizing graphs with minimum rank at most a given number over a finite field using polarities of projective geometries
Grout, Jason
Iowa State University, Ames, IA, USA

11:50 Average minimum rank of a graph
Shader, Bryan
University of Wyoming, USA
(with Francesco Barioli, Shaun Fallat, Tracy Hall, Daniel Hershkowitz, Leslie Hogben, Ryan Martin, and Hein van der Holst)

12:15 The graph and rank of a positive semidefinite matrix
Deaett, Louis
University of Wisconsin, Madison, USA

MS1 Friday Afternoon

15:30 Danny's title
Hershkowitz, Danny
Technion, Israel

15:55 Sparse Inertially Arbitrary Sign Patterns
Vander Meulen, Kevin
Redeemer College, Canada
(with L. Vanderspek and M. Cavers)

16:20 {Luz' title}
DeAlba, Luz
Drake University,

16:45 Maximizing spectral radius of unoriented Laplacian matrix
Tam, Bit-Shun
Taiwan
(with Ding-Jung Chang and Shui-Hei Wu)