Plenary and Mini-symposia speakers Invited plenary lectures Albrecht Boettcher (Chemnitz, Germany) Froilán Dopico (Madrid, Spain) Heike Fassbender (Braunschweig, Germany) Luca Gemignani (Pisa, Italy) Leslie Hogben (Ames, Iowa, USA) Erxiong Jiang (Shanghai, China) Daniel Kressner (Zurich, Switzerland) James Nagy (the SIAM Lecture) (Atlanta, Georgia, USA) Juan Manuel Peña (the LAMA Lecture) (Zaragoza, Spain) Peter Rosenthal (Toronto, Canada) Naomi Shaked-Monderer (Emek Yezreel, Israel) Ilya Spitkovsky (Williamsburg, Virginia, USA) Paul Van Dooren (Louvain, Belgium) Mini-symposia 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) Move to CT Thursday Afternoon \section{extra min rank} \subsection{Minimum Rank of Graphs with Loops} Mikkelson Rana %ranam@iastate.edu% By {\sl Rana Mikkelson}. %minimum rank, field independent, symmetric matrix, rank, graph, matrix, tree%05C50%15A03 \subsection{An upper bound for the maximum nullity of a symmetric matrix whose graph is outerplanar }\label{mrx1} Sinkovic John%j.sinkovic@tue.nl%By {\sl John Sinkovic}. %minimal rank, graph, path cover number%05C50%15A18 \subsection{On the equivalence class graph}\label{mrx2} Perdigo Ceclia%mcds@fct.unl.pt% By {\sl Cec\'\i lia Perdig\~ao and Ros${\rm \acute{a}}$rio Fernandes}. %Graphs; Matrices; Minimum rank%05C50%05C69 \subsection{Orthogonal Removal of Vertices and Minimum Semidefinite Rank}\label{mrx3} Mitchell Lon%lmitchell2@vcu.edu% By {\sl Lon Mitchell and Sivaram Narayan}. %minimum semidefinite rank, vector representation, graph, positive semidefinite%05C50%15A57 \subsection{Graph Energy Change Due to Edge Deletion} Day, Jane%day@math.sjsu.edu%By {\sl Jane M. Day and Wasin So}. %graph energy singular value%05C50%15A42 Wayne Barrett, Brigham Young University Avi Berman, Technion Richard Brualdi, University of Wisconsin Luz De Alba, Drake University Louis Deaett, University of Wisconsin Danny Hershkowitz, Technion Hein van der Holst, Eindhoven University of Technology Steve Kirkland, University of Regina Dale Olesky, University of Victoria Olga Pryporova, Iowa State University Bryan Shader, University of Wyoming Kevin Vander Meulen, Redeemer College MS2 Eigenproblems: Theory and computation Organizer: Julio Moro, Universidad Carlos III de Madrid Confirmed participants: Tom Bella, University of Connecticut Steve Cox, Rice University Inderjit Dhillon, University of Texas Michael Karow, Technische Universität Berlin Chi Kwong Li, College of William and Mary Karl Meerbergen, Katholieke Universiteit Leuven Julio Moro, Universidad Carlos III de Madrid Vadim Olshevsky, University of Connecticut Bor Plestenjak, University of Ljubljana MS3 Implementation and Application issues in regularizing least squares and total least squares Organizer: Rosie Renaut, Arizona State University Confirmed participants: John Bardsley, University of Montana, Truncation Rules for Iterative Deblurring Methods Antonio Arico, Università degli studi di Cagliari, Signal and Image regularization via antireflective transform Jodi Mead, Boise State University, and Rosemary Renaut, ASU, Calculating Weights in Least Squares Estimation Using the Chi-squared Method Rosemary A Renaut, Arizona State University, and Jodi Mead, Boise State University, A Newton Iteration for estimating the regularizing parameter for least squares Iveta Hnetynková, Charles University in Prague, and Institute of Computer Science, Academy of Sciences, Czech Republic. On solvability of total least squares problem Wolfgang Stefan and Anne Gelb, Arizona State University, Regularizing Least Squares with the Concentration Method Claudio Estatico, University of Cagliari, Italy, Block splitting least square regularization for structured matrices arising in nonl inear microwave imaging. James Nagy, Emory University, Lanczos Hybrid Regularization for Image Processing Applications Bert W. Rust, NIST, and Dianne P. O'Leary, University of Maryland, A Truncated Singular Component Method for Ill-Posed Problems MS4 Linear Algebra Education Organizers: María Trigueros, Instituto Tecnológico Autónomo de México, and Asuman Oktaç, Centro de Investigación y Estudios Avanzados, IPN, México, and PUCV, Chile. Confirmed participants: Hamide Dogan-Dunlap (University of Texas at El Paso, USA): Thinking Modes Revealed on Students' Responses from an Assignment on Linear Independence. Jacqueline Klasa-Bompoint (Dawson College, Canada): Few pedagogical scenarios in Linear Algebra with Cabri and Maple Denis Tanguay and Claudia Corriveau (UQAM, Canada): A fundamental paradox in learning algebra. Laurel Cooley, Scott Dexter (Brooklyn College), Bill Martin (North Dakota State University), Draga Vidakovic (Georgia State University) and Sergio Loch (Grand View College) (USA): Integrating learning theories and application-based modules in teaching linear algebra. Mirko Maracci (Siena University, Italy): Basic notions of Vector Space Theory: students' models and conceptions. Michelle Zandieh (Arizona State University), Chris Rasmussen (San Diego State University), Christine Larson (Indiana University) (USA): Design of a unit to teach eigenvectors and eigenvalues based on the instructional design principles of Realistic Mathematics Education. Ana Moura and Pedro A. Santos (Instituto Superior Técnico, UTL, Lisbon, Portugal): Skills, Concepts and Models in a Linear Algebra Course. Guershon Harel (University of California, San Diego, USA): Intellectual Need and Its Role in Mathematics Instruction: Focus on Linear Algebra. Gustavo Preciado, Edgar Possani (ITAM) and Dolores Lozano (ILCE) (Mexico): Use of models in the teaching of linear algebra. Asuman Oktaç, Darly Ku (Cinvestav-IPN, Mexico and PUCV, Chile) and María Trigueros (ITAM, Mexico): Learning of the concept of basis. David Strong (Pepperdine University, USA): A Java Applet and Introductory Tutorial for the Jacobi, Gauss-Seidel and SOR Methods. Marcela Parraguez (PUCV, Chile) and Asuman Oktaç, Cinvestav-IPN, Mexico and PUCV, Chile): Construction of a vector space schema. Steven J. Leon (University of Massachusetts Dartmouth, USA): When MATLAB gives "wrong" answer. MS5 Linear Algebra in Model Reduction Organizer: Peter Benner, Chemnitz University of Technology Confirmed participants: Serkan Gugercin, Virginia Tech, Blacksburg, USA, A Krylov-Based Descent Approach for the Optimal H2 Model Reduction of Large-Scale Dynamical Systems Paul Van Dooren, Université Catholique de Louvain, Louvain-La-Neuve, Belgium, H2 Approximation and Tangential Rational Interpolation Christopher Beattie, Virginia Tech, Blacksburg, USA, Interpolatory Projection Methods for Parameterized Model Reduction Lihong Feng, Chemnitz University of Technology, Germany/Fudan University Shang- hai, China, Parametric Model Reduction for Systems with Coupled Parameters Roland Freund, University of California, Davis, USA, The Effects of Deflation in Projection-Based Order Reduction Ulrike Baur, Chemnitz University of Technology, Germany, Model Reduction for unstable Systems based on Hierarchical Matrix Arithmetic Tobias Damm, TU Kaiserslautern, Germany, Algebraic Gramians and Model Reduction for Different System Classes Peter Benner, Chemnitz University of Technology, Germany, Balancing-Related Model Reduction for Large-Scale Unstable Systems MS6 Matrix functions and matrix equations Organizers: Peter Lancaster, University of Calgary, and Chun-Hua Guo, University of Regina Confirmed participants: Peter Benner, TU Chemnitz Dario Bini, University of Pisa Heike Fassbender, TU Braunschweig Chun-Hua Guo, University of Regina Bruno Iannazzo, University of Pisa Andre Klein, University of Amsterdam Peter Lancaster, University of Calgary Beatrice Meini, University of Pisa Juan Carlos Zuniga, University of Calgary MS7 Max Algebra Organizers: Hans Schneider, University of Wisconsin, and Peter Butkovic, University of Birmingham, UK Confirmed participants: Stephane Gaubert, INRIA Paris, France, Using max-plus eigenvalues to bound the roots of a polynomial (with Marianne Akian (INRIA) Adrien Brandejsky (ENS Cachan)) Jean Jacques Loiseau, University Nantes, France, Robust stability of positive difference equations (with Michael Di Loreto) Sergei Sergeev, University of Birmingham, UK, On Kleene stars and intersection of finitely generated semimodules Ivan Singer, Institute of Mathematics, Bucharest, Romania, Max-min convexity Bill McEneaney, University of California, San Diego, USA, An Idempotent Semiring Underlying New Fundamental Solutions of Differential Equations with Quadratic Nonlinearities Martin Gavalec, University Hradec Kralove, Czech Rep, Permuted max-min eigenvector problem (with Jan Plavka) Glenn Merlet, LIAFA CNRS-Universite Paris-Diderot, France, Semi-group of matrices acting on the max-plus projective space Jean-Louis Boimond, University Angers, France, On steady state controller in min-plus Algebra (with Sebastien Lahaye) Hans Schneider, University of Wisconsin, Madison, USA, TBA Peter Butkovic, University of Birmingham, UK, On the permuted max-algebraic eigenvector problem Jan Plavka, Technical University Kosice, Slovakia, On the robustness of matrices in max-min algebra Daniela Ponce and Martin Gavalec, University of Hradec Kralove, Czech Republic, NP-hard problems in extremal algebras tackled by particle swarm optimization Karel Zimmermann, Charles University, Prague, Solving two-sided max-plus linear systems Pauline van den Driessche, University of Victoria, Canada, and Ludwig Elsner, University Bielefeld, Germany, Bounds for the Perron root using max eigenvalues. MS8 Nonnegative and eventually nonnegative matrices Organizer: Judi McDonald, Washington State University Confirmed participants: Minerva Catral, University of Victoria Sherod Eubanks, Washington State University Daniel Hershkowitz, Technion Thomas Laffey, University College Dublin Judi McDonald, Washington State University Michael Neumann, University of Connecticut DeAnne Morris, Washington State University Helena Smigoc, University College Dublin Daniel Szyld, Temple University Dimitrios Noutsos, University of Ioannina Delete Abed Elhashash, Drexel University This page was last modified April 21, 2008.