Conference Talks
Plenary Talks and Invited Lecture Series
Convergence Analysis of Time-Continuous Strongly Conservative Space-Time Finite Element Methods for the Dynamic Biot Model International Conference on Numerical Methods for Scientific Computations and Advanced Applications (NMSCAA ’24), Sozopol, Bulgaria, June 17-21, 2024
Numerical analysis as a driving force towards future science Faculty Candidate Lecture (Interview) at the Faculty of Engineering & Natural Sciences, Johannes Kepler University, Linz, July 16, 2020
Strongly conservative discretization and parameter-robust iterative solution methods for multiple-network poroelasticity problems GAMM Workshop on Numerical Analysis, Essen, September 12, 2019
Parameter-robust solvers for multiple-network poroelasticity problems with applications Mathematical Colloquium, Technical University of Darmstadt, Darmstadt, May 22, 2019
On the optimal solution of multi-permeability poroelasticity problems Scientific Computing Seminar at the Interdisciplinary Center for Scientific Computing, University of Heidelberg, January 10, 2019
Parameter-robust stability and strongly mass-conservative discretization of multi-permeability poroelasticity model Oberwolfach Workshop on Reactive Flows in Deformable, Complex Media, Oberwolfach, Germany, August 26-September 1, 2018
Conservative discretizations and parameter-robust preconditioners for Biot and multicompartmental poroelasticity models 8th International Conference Computational Methods in Applied Mathematics (CMAM-8), Minsk, Belarus, July 2-6, 2018
Conservative and parameter-robust discretizations of Biot systems International Workshop on Flow in Deformable Porous Media: Numerics and Benchmarks, Hamburg, Germany, December 4-6, 2017
An introduction to the theory and practice of multigrid methods Summer Schools in Europe, Jyvaskyla, Finland, August 8-12, 2016
Combined strategies in algebraic multilevel preconditioning 10th International Conference on Large-Scale Scientific Computations (LSSC '15), Sozopol, Bulgaria, June 8 - 12, 2015
Stable discretization and robutst iterative solution methods for the Brinkman problem High Performance Computing in Science and Engineering, Ostrava, Czech Republic, May 25 - 28, 2015
Robust preconditioning of weighted H(div)-norm and applications Modelling 2014, Roznov pod Radhostem, Czech Republic, June 2-6, 2014
Robust preconditioning of Darcy problem for highly heterogeneous media International Conference on Numerical Methods for Scientific Computations and Advanced Applications (NMSCAA '14), Bansko, Bulgaria, May 19-22, 2014
Auxiliary space multigrid based on domain decomposition 22nd International Conference on Domain Decomposition Methods (DD22), Lugano, Switzerland, September 16-20, 2013
Auxiliary space multigrid method based on additive Schur complement approximation Weizmann Workshop 2013 on Multilevel Computational Methods and Optimization, Rehovot, Israel, April 30-May 2, 2013
Auxiliary space multigrid: two-grid analysis and aspects of parallelization Autumn School on Parallel Solution of Large Engineering Problems, Ostrava, Czech Republic, November 19-20, 2012
Robust multilevel methods 2nd Annual Workshop on Supercomputer Applications, Bansko, Bulgaria, April 22-24, 2012
Algebraic multilevel methods SPOMECH Workshop, Ostrava, Czech Republic, November 22-24, 2011
Selected Seminar and Conference Talks
Time-continuous strongly conservative space-time finite element methods for the dynamic Biot model 10th International Conference on Computational Methods in Applied Mathematics (CMAM-10), Bonn, Germany, June 10-14, 2024
Fixed-stress method for a class of nonlinear poroelasticity problems 22nd Central-European Conference on Scientific Computing (ALGORITMY 2024), Podbanské, High Tatra Mountains, Slovakia, March 15-20, 2024
Hybridized discontinuous Galerkin/hybrid mixed methods for a multiple network poroelasticity model with application in biomechanics European Conference on Numerical Mathematics and Advanced Applications (ENUMATH 2023), Lisbon, Portugal, September 4-8, 2023
Structure-Preserving Discretization and Robust Preconditioning Techniques for Poromechanics SIAM Conference on Mathematical & Computational Issues in the Geosciences (GS23), Bergen, Norway, June 19-22, 2023
Quantitative convergence analysis of a class of augmented Uzawa-type iterative methods based on a new stability result for perturbed saddle-point problems 92nd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM 2022), Aachen, Germany, August 15-19, 2022
Abstract stability result for perturbed saddle-point problems: Construction and analysis of iterative splitting schemes and preconditioners in poromechanics 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 5-9, 2022
Parameter-Robust Preconditioners for Hybridized Discontinuous Galerkin/Hybrid Mixed Methods for Biot’s Equations SIAM Conference on Mathematical & Computational Issues in the Geosciences (GS21), June 21-24, 2021
A New Framework for the Stability Analysis of Perturbed Saddle-point Problems and Applications in Poromechanics 13th International Conference on Large-Scale Scientific Computations (LSSC'21), Sozopol, Bulgaria, June 7-11, 2021
Uzawa-type iterative methods for double saddle point problems in poromechanics 91st Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM 2020/2021), Kassel, March 15-19, 2021
Strongly conservative discretization and parameter-robust Uzawa-type methods for multiple-network poroelasticity model European Numerical Mathematics and Advanced Applications Conference (ENUMATH 2019), Egmond aan Zee, The Netherlands, September 30-October 4, 2019
Convergence analysis of fixed-stress split iterative method for multiple-network poroelasticity models 9th International Congress on Industrial and Applied Mathematics (ICIAM 2019), Valencia, Spain, July 15-19, 2019
Iterative coupling methods for multi-permeability poroelasticity models InterPore 2019, Valencia, Spain, May 6-10, 2019
Stable discretizations and parameter-robust preconditioners for flux-based multiple-network poroelasticity systems 25th International Conference on Domain Decomposition Methods (DD25), St. John's, Newfoundland, Canada, July 23-27, 2018
Conservative discretizations and parameter-robust preconditioners for multiple-network poroelastic systems 6th European Conference on Computational Mechanics (ECCM 6) and the 7th European Conference on Computational Fluid Dynamics (ECFD 7) (ECCM-ECFD 2018), Glasgow, UK, June 11-15, 2018
A posteriori error estimates for a class of nonlinear interface problems in relation to solving Poisson-Boltzmann equation Tufts University, Boston, USA, April 9, 2018
Parameter-robust stable disretizations and uniform preconditioners for classical three-field formulation of Biot’s consolidation model European Conference on Numerical Mathematics and Advanced Applications (ENUMATH 2017), Voss, Norway, September 25-29, 2017
Parameter-robust stability of classical three-field formulation of Biot’s consolidation model and preconditioning 11th International Conference on Large-Scale Scientific Computations (LSSC '17), Sozopol, Bulgaria, June 5-9, 2017
Optimal multigrid methods for H(div)-conforming discontinuous Galerkin discretizations of the Brinkman problem 24th International Conference on Domain Decomposition Methods (DD24), Svalbard, Norway, February 6-10, 2017
Auxiliary space multigrid method for poroelasticity problem 8th International Congress on Industrial and Applied Mathematics (ICIAM 2015), Beijing, China, August 10-14, 2015
Robuste algebraische Mehrgritterverfahren Antrittsvorlesung, Mathematisches Kolloquium, Universität Duisburg-Essen, Essen, Deutschland, 17. Juni 2015
Discrete inf-sup condition for Darcy flow in highly heterogeneous media and applications 6th International Conference on Computational Methods in Applied Mathematics (CMAM-6), Strobl/St. Wolfgang, Austria, September 28-October 4, 2014
Auxiliary space multigrid method for high-frequency high-contrast problems Research Seminar "Parallel Algorithms and Scientific Computations", Department of Parallel Algorithms, Institute of Information and Communication Technologies, Bulgarian Academy of Sciences, Sofia, February 26, 2013
Auxiliary space multigrid: Two-grid analysis and aspects of parallelization Autumn School on Parallel Solution of Large Engineering Problems, Ostrava, November 19-20, 2012
Fictitious space multigrid method based on domain decomposition European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2012), Vienna, Austria, September 10-14, 2012
Algebraic multilevel preconditioners for the graph Laplacian based on matching in graphs European Multigrid Conference 2012, Schwetzingen Castle, Germany, August 13-16, 2012
Robust domain decomposition multigrid methods using additive Schur complement approximation 21st International Conference on Domain Decomposition Methods (DD21), Inria Rennes-Bretagne-Atlantique, France, June 25-29, 2012
Algebraic multilevel methods based on domain decomposition Fourth Conference of the Euro-American Consortium for Promoting the Application of Mathematics in Technical and Natural Sciences (AMiTaNS'12), Varna, Bulgaria, June 11-16, 2012
Additive Schur complement approximation and application to multilevel preconditioning Fraunhofer ITWM, Kaiserslautern, Germany, October 28, 2011
Additive Schur complement approximation and simultaneous two-grid method 7th International Congress on Industrial and Applied Mathematics (ICIAM 2011), Vancouver, BC, Canada, July 18-22, 2011
Additive Schur complement approximation for elliptic problems with highly oscillatory coefficients 8th International Conference on "Large-Scale Scientific Computations" (LSSC '11), Sozopol, Bulgaria, June 6-10, 2011
Auxiliary space preconditioner for finite element elasticity systems obtained by reduced integration 20th International Conference on on Domain Decomposition Methods (DD20), UC San Diego, La Jolla, California, February 7-11, 2011
Subspace correction method for discontinuous Galerkin discretization of elasticity problems 10th European Muligrid Conference, Isola d'Ischia, Italy, September 19-23, 2010
Auxiliary space method for linear elasticity equations SIAM/RSME-SCM-SEMA Meeting on Emerging Topics in Dynamical Systems and Partial Differential Equations, Barcelona, Spain, May 31-June 4, 2010
A subspace correction method for discontinuous Galerkin discretizations of linear elasticity equations 6th Austrian Analysis Day, University of Salzburg, Austria, May 6-7, 2010.
Algebraic multilevel methods for elliptic finite element equations (Habilitation Colloquium) Johannes Kepler Symposium for Mathematics, University of Linz, July 3, 2009
Multilevel preconditioning in H(div) and applications 7th International Conference on Large-Scale Scientific Computations (LSSC '09), Sozopol, Bulgaria, June 4-8, 2009
Hierarchical splittings of discontinuous Galerkin finite element spaces for elliptic problems with highly varying coefficients 5th International Workshop on Parallel Matrix Algorithms and Applications (PMAA '08), Neuchâtel, Switzerland, June 20-22, 2008
Multilevel methods for nonconforming finite element approximations of elliptic problems with large jumps in the coefficients Miniworkshop on Multiscale Elliptic Solvers, Linz, November 9, 2007
A multilevel method for discontinuous Galerkin finite-element equations: 3D anisotropic problems 6th International Congress on Industrial and Applied Mathematics (ICIAM 2007), Zürich, Switzerland, July 16-20, 2007
Multilevel preconditioning of rotated trilinear non-conforming finite element problems 6th International Conference on Large-Scale Scientific Computations (LSSC '07), Sozopol, Bulgaria, June 5-9, 2007
Algebraic subproblems in multilevel preconditioning methods International Conference on Multifield Problems, Stuttgart, Germany, October 4-6, 2006
Multilevel preconditioning of 2D Rannacher-Turek FE problems: Multiplicative and additive methods 6th International Conference on Numerical Methods and Applications (NMA 2006), Borovets, Bulgaria, August 20-24, 2006
On the construction of a hierarchical topology with application to algebraic multilevel preconditioning 17th International Conference on Domain Decomposition Methods (DD17), St. Wolfgang/Strobl, Austria, July 3-7, 2006
Algebraic multilevel preconditioning using local Schur complements Special Radon Semester on Computational Mechanics, RICAM, Linz, November 29, 2005
An edge-based algebraic multigrid method for finite-element elasticity problems Lawrence Livermore National Laboratory, Livermore CA, USA, August 16, 2005
Algebraic multigrid based on computational molecules, 1: Scalar elliptic partial differential equations 21st GAMM-Seminar, Max-Planck-Institute for Mathematics in the Sciences, Leipzig, January, 26-28, 2005