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Julienne Kabre
Nov 19, 2014 - 11:25am to 12:40pm
Applied Mathematics - Seminar - E1 242
Abstract: The Poisson-Nernst-Planck (PNP) equation is a coupled non-linear system of equations used to model ions transport in ions channels. In this work a finite difference scheme that preserve the energy law at a discrete level is of interest. The algorithm is second order in space and we... read more
Ana Rechtman - Université de Strasbourg, France
Nov 17, 2014 - 4:40pm to 5:55pm
Applied Mathematics - Colloquia - E1 104
Abstract: The topology of a manifold determines if a flow has fixed points, as stated in the Poincaré-Hopf theorem, but if a manifold (oriented) admits a flow without fixed points it also admits a flow without periodic orbits. If the manifold has dimension 2, this assertion is almost trivial. In... read more
Jinyu Huang - IIT
Nov 13, 2014 - 3:15pm
Applied Mathematics - Seminar - E1 241
Abstract: Matroids are a mathematical structure that generalize the linear independence in vector spaces and acyclic subgraphs in graphs, and have been applied in combinatorial optimization and discrete math. In the matroid secretary problem, a matroid M is given and an adversary assigns a... read more