Ludmil Zikatanov
Professor of Mathematics

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0109B McAllister
University Park, PA - ltz1@psu.edu
- 814-865-7527
Huck Affiliations
Most Recent Publications
REDUCED KRYLOV BASIS METHODS FOR PARAMETRIC PARTIAL DIFFERENTIAL EQUATIONS
Yuwen Li, Ludmil T. Zikatanov, Cheng Zuo, 2025, SIAM Journal on Numerical Analysis on p. 976-999
OSCILLATION-FREE NUMERICAL SCHEMES FOR BIOT'S MODEL AND THEIR ITERATIVE COUPLING SOLUTION
Álvaro Pé De La Riva, Francisco J. Gaspar, Xiaozhe Hu, James H. Adler, Carmen Rodrigo, Ludmil T. Zikatanov, 2025, SIAM Journal of Scientific Computing on p. A1809-A1834
ALGEBRAIC MULTIGRID METHODS FOR METRIC-PERTURBED COUPLED PROBLEMS
Ana Budiša, Xiaozhe Hu, Miroslav Kuchta, Kent Andre Mardal, Ludmil Zikatanov, 2024, SIAM Journal of Scientific Computing on p. A1461-A1486
A local Fourier analysis for additive Schwarz smoothers
Álvaro Pé de la Riva, Carmen Rodrigo, Francisco J. Gaspar, James H. Adler, Xiaozhe Hu, Ludmil Zikatanov, 2024, Computers and Mathematics with Applications on p. 13-20
Parameter-robust preconditioners for Biot’s model
Carmen Rodrigo, Francisco J. Gaspar, James Adler, Xiaozhe Hu, Peter Ohm, Ludmil Zikatanov, 2024, SeMA Journal on p. 51-80
Parameter-free preconditioning for nearly-incompressible linear elasticity
James H. Adler, Xiaozhe Hu, Yuwen Li, Ludmil T. Zikatanov, 2024, Computers and Mathematics with Applications on p. 39-44
Weakly Coupled Systems of Eikonal Equations in Path-Planning Problems
Maria Teresa Chiri, Kenneth D. Czuprynski, Ludmil T. Zikatanov, 2024, on p. 5036-5041
HAZniCS - Software Components for Multiphysics Problems
Ana Budiša, Xiaozhe Hu, Miroslav Kuchta, Kent André Mardal, Ludmil T. Zikatanov, 2023, ACM Transactions on Mathematical Software
Automatic coarsening in Algebraic Multigrid utilizing quality measures for matching-based aggregations
Pasqua D'Ambra, Fabio Durastante, Salvatore Filippone, Ludmil Zikatanov, 2023, Computers and Mathematics with Applications on p. 290-305
Rational Approximation Preconditioners for Multiphysics Problems
Ana Budiša, Xiaozhe Hu, Miroslav Kuchta, Kent André Mardal, Ludmil Zikatanov, 2023, on p. 100-113
Most-Cited Papers
Stability and monotonicity for some discretizations of the Biot's consolidation model
C. Rodrigo, F. J. Gaspar, X. Hu, L. T. Zikatanov, 2016, Computer Methods in Applied Mechanics and Engineering on p. 183-204
A nonconforming finite element method for the Biot's consolidation model in poroelasticity
Xiaozhe Hu, Carmen Rodrigo, Francisco J. Gaspar, Ludmil T. Zikatanov, 2017, Journal of Computational and Applied Mathematics on p. 143-154
New stabilized discretizations for poroelasticity and the Stokes’ equations
C. Rodrigo, X. Hu, P. Ohm, J. H. Adler, F. J. Gaspar, L. T. Zikatanov, 2018, Computer Methods in Applied Mechanics and Engineering on p. 467-484
A robust multigrid method for discontinuous Galerkin discretizations of Stokes and linear elasticity equations
Qingguo Hong, Johannes Kraus, Jinchao Xu, Ludmil Zikatanov, 2016, Numerische Mathematik on p. 23-49
Robust block preconditioners for biot’s model
James H. Adler, Francisco J. Gaspar, Xiaozhe Hu, Carmen Rodrigo, Ludmil T. Zikatanov, 2018, on p. 3-16
Arbitrary dimension convection–diffusion schemes for space–time discretizations
Randolph E. Bank, Panayot S. Vassilevski, Ludmil T. Zikatanov, 2017, Journal of Computational and Applied Mathematics on p. 19-31
A Uniform Additive Schwarz Preconditioner for High-Order Discontinuous Galerkin Approximations of Elliptic Problems
Paola F. Antonietti, Marco Sarti, Marco Verani, Ludmil T. Zikatanov, 2017, Journal of Scientific Computing on p. 608-630
Preconditioning heterogeneous h(div) problems by additive schur complement approximation and applications
Johannes Kraus, Raytcho Lazarov, Maria Lymbery, Svetozar Margenov, Ludmil Zikatanov, 2016, SIAM Journal of Scientific Computing on p. A875-A898
Robust preconditioners for a new stabilized discretization of the poroelastic equations
J. H. Adler, F. J. Gaspar, X. Hu, P. Ohm, C. Rodrigo, L. T. Zikatanov, 2020, SIAM Journal of Scientific Computing on p. B761-B791
A cascadic multigrid algorithm for computing the Fiedler vector of graph Laplacians
John C. Urschel, Jinchao Xu, Xiaozhe Hu, Ludmil T. Zikatanov, 2015, Journal of Computational Mathematics on p. 209-226