Organizers: Ricardo Nochetto, Howard Elman

In Spring 2022 the Numerical Analysis Seminar will run online. The Zoom links will be sent to the Numerical Analysis Seminar mailing list.

Join the Numerical Analysis Seminar mailing list (You will be sent an email to confirm this - please check your spam folder if necessary)

Archives: F2010-S2011 | F2011-S2012 | F2012-S2013 | F2013-S2014 | F2014-S2015 | F2015-S2016 | F2016-S2017 | F2017-S2018 | F2018-S2019 | F2019-S2020 | F2020-S2021 | F2021-S2022

  • Nonconforming and Discontinuous Methods in the Numerical Approximation of Nonsmooth Variational Problems (Sayas Numerics Seminar)

    Speaker: Soeren Bartels (University of Freiburg, Germany) -

    When: Tue, September 7, 2021 - 3:30pm
    Where: slides: https://sayasseminar.math.umd.edu/Bartels.pdf
  • Vibrations with nonlinear frequency dependencies: Linearization for eigenvalue computations and time integration

    Speaker: Karl Meerbergen (KU Leuven, Belgium) -

    When: Tue, September 14, 2021 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=c98aa5ab-291d-413e-8470-ada301550d6c
  • Krylov Subspace Regularization for Inverse Problems

    Speaker: Jim Nagy (Emory University) -

    When: Tue, September 21, 2021 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=9acd7eb3-6a15-4617-8ac7-adaa0156ba3f
  • Arbitrarily regular virtual element methods for elliptic partial differential equations

    Speaker: Marco Verani (Politecnico di Milano, Italy) -

    When: Tue, September 28, 2021 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=a8a92961-c9b3-47a1-a8f4-adb101597d33
  • Algebraic Multigrid for mixed finite element discretizations of the Stokes Equations

    Speaker: Ray Tuminaro (Sandia National Laboratories) -

    When: Tue, October 5, 2021 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=d1056954-1839-4dc7-86e4-adb8015839c6
  • Efficiently computing the effect of small model perturbations on the statistics/long-term averages of a chaotic dynamical model

    Speaker: Nisha Chandramoorthy (MIT) -

    When: Tue, October 12, 2021 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=3368bdba-653c-49c2-8873-adbf015b790b
  • An introduction to linear poroelasticity and its transition to nonlinear implicit elastic and related models

    Speaker: Vivette Girault (Sorbonne Universite CNRS, Laboratoire Jacques-Louis Lions, Paris, France) -

    When: Tue, October 19, 2021 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=3be92d5d-a40f-46bb-96c0-adc6015878cd
  • Variational Physics informed neural networks: the role of quadratures and test functions

    Speaker: Claudio Canuto, Politecnico di Torino, Turin, Italy

    When: Tue, October 26, 2021 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=f4aba6c3-3451-42b3-abca-adcd01587afa
  • Hybrid analytic-numerical compact models for radiation induced photocurrent effects

    Speaker: Pavel Bochev (Sandia Labs) -

    When: Tue, November 2, 2021 - 3:30pm
    Where: ONLINE (ter.ps/joinNAS to get Zoom link)
  • Spectral calculations for magic angles in a simple model of twisted bilayer graphene

    Speaker: Mark Embree (Virginia Tech) -

    When: Tue, November 9, 2021 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=2919dc02-3c16-4110-ac13-addb01660897
  • Some Nonsmooth Function Classes and Their Optimization

    Speaker: Jong-Shi Pang (University of Southern California) -

    When: Tue, November 16, 2021 - 3:30pm
    Where: video https://coursemedia.gmu.edu/media/SAYAS+NUMERICS+SEMINAR/1_itslk1m2
  • Optimality in Learning

    Speaker: Ronald DeVore (Texas A&M University) -

    When: Tue, December 7, 2021 - 3:30pm
    Where: video https://coursemedia.gmu.edu/media/SAYAS+NUMERICS+SEMINAR/1_164ivk1f
  • Convergent evolving surface finite element algorithms for geometric evolution equations

    Speaker: Christian Lubich (University of Tuebingen, Germany) -

    When: Tue, February 1, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=01fb6c32-dd15-4a4d-8f23-ae2f0167e71c
  • Flow of liquid crystals in curved thin films: a new model and an unfitted method

    Speaker: Vladimir Yushutin (Dept. of Math., University of Maryland, College Park) -

    When: Tue, February 8, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=63969fae-4081-4431-a0c6-ae36016782b9
  • Programming and predicting the effective shapes of origami and kirigami surfaces

    Speaker: Paul Plucinsky (Aerospace and Mechanical Engineering, University of Southern California Viterby) -

    When: Tue, February 15, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=e9ea914a-13e0-4454-b0f7-ae3d017b675a
  • Proximal gradient methods for control problems with non-smooth and non-convex control cost

    Speaker: Daniel Wachsmuth (University of Wuerzburg) -

    When: Tue, February 22, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=d0366b8a-42e1-4daa-863d-ae44016551c3
  • BayesCG: A probabilistic numeric linear solver

    Speaker: Ilse C.F. Ipsen (North Carolina State University) -

    When: Tue, March 1, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=ee2e2959-795f-47bb-a650-ae4b016786bb
  • The Helmholtz boundary element method does not suffer from the pollution effect

    Speaker: Euan Spence (University of Bath, UK) -

    When: Tue, March 8, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=eedf33f8-1815-425c-b841-ae5201665e28
  • A posteriori error analysis and adaptivity with general meshes

    Speaker: Andrea Cangiani (SISSA, Italy) -

    When: Tue, March 15, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=fe804cfe-1e5e-4442-b7f2-ae590158165d
  • Balancing and Reduction of Dynamical Systems Based on Data

    Speaker: Christopher Beattie (Virginia Polytechnic Institute) -

    When: Tue, March 29, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=a7b52640-8265-4d20-9947-ae67015832f8
  • Discrete Solvability of Helmholtz Problems

    Speaker: Celine Torres (University of Maryland, College Park) -

    When: Tue, April 5, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=9b2bf319-9c3c-4275-978d-ae6e015725a6
  • A variational method for generating cross fields using higher order Q-tensors

    Speaker: Dmitry Golovaty (The University of Akron) -

    When: Tue, April 12, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=06bd9faa-e4d0-4e22-9895-ae75015c12a1
  • Models for liquid crystals on surfaces

    Speaker: Axel Voigt (Dresden University, Germany) -

    When: Tue, April 19, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=9e707ce9-1ee3-42db-b54b-ae7c015d806f
  • An algorithmic approach towards relaxation - analytical background, numerical challenges, and examples from the theory of nonlinear elasticity

    Speaker: Georg Dolzmann (University of Regensburg, Germany) -

    When: Tue, April 26, 2022 - 3:30pm
    Where: ONLINE (ter.ps/joinNAS to get Zoom link)
  • Immersed Virtual Element Methods for Maxwell Interface Problems in Three Dimensions

    Speaker: Long Chen (University of California at Irvine) -

    When: Tue, May 3, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=b988d4e8-8c82-4a7a-bde1-ae8a01570dc7
  • Approximation properties of shallow neural networks and applications to solving elliptic PDEs

    Speaker: Jonathan Siegel (Penn State University) -

    When: Tue, May 10, 2022 - 3:30pm
    Where: video https://umd.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=c133e40b-bf13-4367-a0fd-ae9101585e0d