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Carl Rees Lectures in Mathematical SciencesCarl Rees Lectures in Mathematical SciencesGore 104Title: Control of Plasmon on Graphene<br>Colloquium Talk<br><br> Speaker: Fadil Santosa, University of Minnesota <br><br> Description: Graphene has been demonstrated to be desirable matherical for concentrating plasmons due to its low loss property. We investigate the problem of controlling graphene plasmons by changing the conductivity of the sheet as a function of time. We show that wave reversal, amplification, and standing waves are possible by manipulating the conductivity. <br><br> Refreshments and reception in 536 Ewing Hall • 4:30pm9/28/2018 7:30:00 PM9/28/2018 8:30:00 PMFalse
Colloquium Series & UD Data Sciences InstituteColloquium Series & UD Data Sciences InstituteMemorial Hall 127Title: Adaptive Methods for the Simulation of Diffusion in Complex Geometries<br><br> Speaker: Leslie Greengard <br><br> Description: We will review the state of the art in integral equation methods for the solution of the heat equation in moving geometries. With suitable fast algorithms, such methods achieve optimal complexiy and, in th homogeneous case, require the discretization of the space-time boundary alone. They achieve higher order accuracy with suitable quadratures and are straightforward to implement adaptively in space-time. We will discuss applications to biophysical modeling, reaction-diffusion systems, and computational fluid dynamics. 9/28/2018 2:00:00 PM9/28/2018 3:00:00 PMFalse
Carl Rees Lectures in Mathematical SciencesCarl Rees Lectures in Mathematical SciencesKirkbride 204Title: An Approach to Statistical Shape Analysis<br> General Talk (Graduate and Undergraduate Students Welcome) <br> <br> Speaker: Fadil Santosa, University of Minnesota</p> <br> Description: In Statistical Shapes Analysis, the goal is to obtain characteristics such as mean, standard deviation, etc., from a set of shapes. While much progress in this area has occurred in the past four decades, many challenges remain. This presentation will review several of the important developments in this field. An approach based on Fourier Analysis is proposed and its capabilities demonstrated.<br> <br> </a></p> <p><a href="http://www-users.math.umn.edu/~santo002/">http://www-users.math.umn.edu/~santo002/</a></p>9/27/2018 7:30:00 PM9/27/2018 8:30:00 PMFalse
Chi-Wang Shu, Brown UniversityChi-Wang Shu, Brown UniversityGore 104Title: Discontinuous Galerkin Method for Convection Dominated Partial Differential Equations Abstract: Discontinuous Galerkin (DG) method is a finite element method with features from high resolution finite difference and finite volume schemes such as approximate Riemann solvers and nonlinear limiters. It was originally designed for solving hyperbolic conservation laws but has been generalized later to solve higher order convection dominated partial differential equations (PDEs) such as convection diffusion equations and convection dispersion equations. The DG method has been widely applied, in areas such as computational fluid dynamics, computational electromagnetism, and semiconductor device simulations, just to name a few. In this talk we will give a general survey of the DG method, emphasizing its designing principles and main ingredients. We will also describe some of the recent developments in DG methods.4/6/2018 7:30:00 PM4/6/2018 8:30:00 PMFalse

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