Ahsan Ali

Ahsan Ali

Assistant Professor of Applied and Computational Mathematics

Talks and Presentations

Conference and Seminar Presentations

  1. Efficient Multigrid Solvers for Time-Dependent Rayleigh–Bénard Convection. 41st Colorado Conference on Iterative and Multigrid Methods, Boulder, Colorado, June 25, 2026.
  2. Efficient Multigrid Solvers for Time-Dependent Rayleigh–Bénard Convection. 10th Annual Coastal Bend Mathematics and Statistics Conference, Texas A&M University–Corpus Christi, April 18, 2026.
  3. Multigrid Methods for Implicit Time Integration of Rayleigh–Bénard Convection. Finite Element Rodeo, The Oden Institute for Computational Engineering & Sciences, The University of Texas at Austin, February 28, 2026.
  4. Block-Triangular Preconditioning for Implicit Runge-Kutta Methods in DG Advection with Firedrake and Irksome. SIAM Texas-Louisiana Sectional Meeting, The University of Texas at Austin, September 26–28, 2025.
  5. Generalized Optimal AMG Convergence Theory for Stokes Equations Using Smoothed Aggregation and Vanka Relaxation. 22nd Copper Mountain Conference on Multigrid Methods, Copper Mountain, Colorado, April 13–17, 2025.
  6. AMG Convergence Theory for Nonsymmetric and Indefinite Problems. Minisymposium: New Advances in Multigrid Methods, SIAM Conference on Computational Science and Engineering (CSE25), Fort Worth, Texas, March 3–7, 2025.
  7. Generalized Optimal AMG Convergence Theory for Nonsymmetric and Indefinite Problems. 18th Copper Mountain Conference on Iterative Methods, Copper Mountain, Colorado, April 14–19, 2024.
  8. Algebraic Multigrid Methods for Nonsymmetric Problems. 21st Copper Mountain Conference on Multigrid Methods, Copper Mountain, Colorado, April 16–20, 2023.
  9. Parallel Implementation of Finite-Element Discretization Model Problems with Performance Analysis Using Profiling and Tracing. CS 542: Introduction to Parallel Processing, Poster Presentation at UNM, December 2022.
  10. Space-Time AMG for Advection-Diffusion. 17th Copper Mountain Conference on Iterative Methods (Virtual), April 4–8, 2022.
  11. Space-Time AMG for Hyperbolic Problems. AMG Summit 2021, Virtual due to Covid-19, October 11–15, 2021.