Publications

You can also find my articles on my Google Scholar profile.

Accepted / Appeared

  1. Oliver A. Krzysik, Ben S. Southworth, Golo Wimmer, Ahsan Ali, James Brannick, and Karsten Kahl. Optimal transfer operators in algebraic two-level methods for nonsymmetric and indefinite problems. SIAM Journal on Matrix Analysis and Applications 47.2 (2026): 824–851. Link
  2. Ishtiaque Anwar, Meng Meng, William J. Carey, Ahsan Ali, Maitri V. Dalal, and Phillip H. Stauffer. A streamlined qualitative risk assessment framework for corrective action in legacy wells: A case study from the Lake Pontchartrain basin. International Journal of Greenhouse Gas Control 146 (2025): 104451. Link
  3. Ahsan Ali, James Brannick, Karsten Kahl, Oliver A. Krzysik, Jacob B. Schroder, and Ben S. Southworth. Generalized Optimal AMG Convergence Theory for Nonsymmetric and Indefinite Problems. SIAM Journal on Scientific Computing (2025): S89–S111. Link
  4. Ahsan Ali, James Brannick, Karsten Kahl, Oliver A. Krzysik, Jacob B. Schroder, and Ben S. Southworth. Constrained local approximate ideal restriction for advection-diffusion problems. SIAM Journal on Scientific Computing (2024): S96–S122. Link
  5. Ahsan Ali, Laek Sazzad Andallah. Inflow Outflow Effect and Shock Wave Analysis in a Traffic Flow Simulation. American Journal of Computational Mathematics 6.02 (2016): 55. Link
  6. A. K. M. Nazimuddin, Ahsan Ali. A Computer Technique for Duality Theory in Linear Programs. American Journal of Applied Mathematics 3.3 (2015): 95–99. Link
  7. Ahsan Ali, Laek Sazzad Andallah, and Zakia Hossain. Numerical solution of a fluid dynamic traffic flow model associated with a constant rate inflow. American Journal of Computational and Applied Mathematics 5.1 (2015): 18–26. Link

Submitted / In Preparation

  1. Ahsan Ali, Qi Tang, Ben S. Southworth, Jacob B. Schroder, Johann Rudi, and Xian-Zhu Tang. Fast Algebraic Multigrid Solvers for a Relativistic Drift-Kinetic Fokker–Planck–Boltzmann Model. Computer Physics Communications (In preparation).
  2. Ahsan Ali, Robert C. Kirby. A Multigrid-Preconditioned Fully Implicit Runge-Kutta Framework for Time-Dependent Rayleigh–Bénard Convection in 2D and 3D. SIAM Journal on Scientific Computing (In preparation).

Student Competition Paper

  1. Ahsan Ali. Generalized Optimal AMG Convergence Theory for Stokes Equations Using Smooth Aggregation and Vanka Relaxation Strategies. 22nd Copper Mountain Conference on Multigrid Methods (2025). Link

Ph.D. Dissertation / M.S. Thesis

  1. Ahsan Ali. Algebraic Multigrid Methods for Nonsymmetric and Indefinite Problems: Theory and Applications. Ph.D. Dissertation, University of New Mexico (2025). Link
  2. Ahsan Ali. Inflow Outflow Effect in a Traffic Flow Simulation. M.S. Thesis, Jahangirnagar University (2012). Link