Events

Applied Math Seminar – Yuanzhen Shao (University of Alabama)

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Title: Variations of the sharp interfaces in multiphase problems - Part IV Abstract: In the first part of the talk, we will show the existence of a minimizer for a minimal surface problem with prescribed mean curvature and obstacle.  In the second part, we will focus on the question whether the minimizing surface enjoys enough

Applied Math Seminar – Yuanzhen Shao (University of Alabama)

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Title: Variations of the sharp interfaces in multiphase problems - Part V Abstract: We will conitnue with the discussion on the regularity of a minimal surface with prescribed mean curvature and obstacle. The problem leads to a variational inequality. Then we will use a result by Breiz and Kinderlehrer to show that the minimizing surface

Applied Math Seminar – Shibin Dai

346 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Applied Math Seminar Date: Friday September 16 Time: 11:00am-11:50am Location: GP 346 Speaker: Shibin Dai (Department of Mathematics, The University of Alabama) Title: Degenerate diffusion and interface motion of single layer and bilayer structures Abstract: Degenerate diffusion plays an important role in the interface motion of complex structures. The degenerate Cahn-Hilliard equation is a widely used model for

Applied Math Seminar – Teresa Portone, Sandia National Laboratories

346 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Title: Quantifying model-form uncertainty with an application to subsurface transport Abstract: Computational models are increasingly used to make predictions affecting high-consequence engineering design and policy decisions. However, incomplete information about the represented phenomena and limitations in computational resources require approximations and simplifications that can lead to uncertainties in the computational models’ forms and errors in

Applied Math Seminar – Yalchin Efendiev

346 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Speaker: Yalchin Efendiev (Department of Mathematics and Institute for Scientific Computation, Texas A&M University) Title:  Multicontinuum homogenization and applications Abstract: In this talk, I will talk about general approaches for multiscale modeling (closely related to porous media applications). I will mainly focus on numerical approaches, where multiscale finite element basis functions are constructed and used in

Applied Math Seminar- Professor Lynn Schryer

346 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Speaker: Lynn Schreyer (Department of Mathematics and Statistics, Washington State University) Title: Compartment Models with Memory Abstract: The beauty and simplicity of compartment modeling makes it a useful approach for simulating dynamics in an amazingly wide range of applications, including pharmacokinetics (where e.g. a liver is considered a compartment), global carbon cycling (different depths of soils

Applied Math Seminar by Professor Patrick Guidotti (University of California).

Speaker: Patrick Guidotti (Department of Mathematics, University of California, Irvine) Title: Connecting the dots Abstract: We revisit the well-known kernel method of interpolation and, by taking a slightly unusual point view, show how it can be used (and modified in a natural way) for the purpose of gaining insight into the (geometric) structure of scattered data

Applied Math Seminar: Jiuyi Zhu (Louisiana State University)

346 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Speaker: Jiuyi Zhu (Department of Mathematics, Louisiana State University) Title: Bounds of nodal sets of eigenfunctions Abstract: Motivated by Yau's conjecture, the study of the measure (sizes) of nodal sets (zero-level sets) of  eigenfunctions has been attracting much attention.  We investigate the nodal sets of Steklov eigenfunctions, Neumann eigenfunctions, and Dirichlet eigenfunctions in the domain

Applied Math Seminar: Professor Miloud Sadkane- Université de Brest (France)

346 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Speaker: Prof. Miloud Sadkane (CNRS - UMR 6205, Laboratoire de Mathématiques de Bretagne Atlantique, Université de Brest  (France)) Title: On the stability radius for linear time-delay systems Abstract: In this talk, an algorithm is proposed to compute the stability radius of a linear time-delay differential system. The exponential factor in the characteristic equation is replaced