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SAS 4201

Upcoming Events

November 2017

Serkan Gugercin, Virginia Tech, Interpolatory model reduction with applications to flow control and nonlinear inversion

November 28 | 3:00 pm - 4:00 pm EDT

Numerical simulation of large-scale dynamical systems plays a crucial role and may be the only possibility in studying a great variety of complex physical phenomena with applications ranging from heat transfer to fluid dynamics, to signal propagation and interference in…

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Nancy Rodriguez-Bunn, UNC, On the global existence and qualitative behavior of solutions to a model for urban crime

November 29 | 3:00 pm - 4:00 pm EDT

We consider the no-flux initial-boundary value problem for the cross-diffusive evolution system which was introduced to describe the dynamics of urban crime.  In bounded intervals I will first discuss the existence of global classical solutions for all reasonably regular non-negative initial data. Next I will address the issue of…

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December 2017

Yang Qi, University of Chicago

December 5 | 4:30 pm - 5:30 pm EDT

Properties of linear sections of secant varieties and their applications.

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March 2018

Gabor Pataki, UNC-Chapel Hill, Bad semidefinite programs, linear algebra, and short proofs

March 13, 2018 | 3:00 pm - 4:00 pm EDT

Semidefinite programs (SDPs) -- optimization problems with linear constraints, linear objective, and semidefinite matrix variables --  are some of the most useful, versatile, and pervasive optimization problems to emerge in the last 30 years. They find applications in combinatorial optimization, machine learning, and statistics, to…

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