Program Updates
1.  The talk by Selcuk Koyuncu, "The Inverse of Two level Toeplitz Operator Matrices" has been canceled.  2.  The talk "An overview of Leonia Lerer's work" by M.A. Kaashoek is rescheduled to Thu, 6:30pm7:00pm (Bristol B).  3.  The last two talks in the minisymposium "Applications of Tropical Mathematics  Part 2" have been exchanged. Marie MacCaig will be the third speaker, and Viorel Nitica will be the fourth speaker.  4.  The first and third talks in the minisymposium "Matrix Methods in Computational Systems Biology and Medicine" have been exchanged. Lee Altenberg will be the third speaker, at 5:45pm6:15pm, and Marcus Weber will be the first speaker, at 4:45pm5:15pm.  5.  The talk by Meisam Sharify, "Computation of the eigenvalues of a matrix polynomial by means of tropical algebra" has been canceled.  6.  (a) The talk "Regularization of positive definite matrices: Connections between linear algebra, graph theory, and statistics" by Bala Rajaratnam to be rescheduled to Fri, 2:55pm3:15pm (Patriots). (b) The talk "Sparse positive definite matrices, graphs, and absolutely monotonic functions" by Apoorva Khare to be rescheduled to Fri, 3:15pm3:45pm (Patriots).
(c) The talk "Preserving low rank positive semidefinite matrices" by Dominique Guillot to be rescheduled to Fri, 3:45pm4:15pm (Patriots).


