Exposés dans des congrès internationaux
Martin Vohralík


2024

1.
26 mars 2024 PDF icon
On the derivation of guaranteed and p-robust a posteriori error estimates for the Helmholtz equation
ANR APOWA kick-off meeting, Lille 
2.
19 mars 2024 PDF icon
Guaranteed and robust L2-norm a posteriori error estimates for 1D linear advection(-reaction) problems
ALGORITMY 2024, Podbanske, Slovaquie 

2023

3.
17 octobre 2023 PDF icon
A posteriori error estimates robust with respect to nonlinearities and final time
Congrès international sur l’analyse numérique des EDP, Meknès, Maroc 
4.
05 septembre 2023 PDF icon
A posteriori error estimates robust with respect to the strength of nonlinearities
ENUMATH 2023, Lisbonne , Portugal
5.
21 juin 2023 PDF icon
A posteriori error estimates robust with respect to nonlinearities and final time
SIAM Conference on Mathematical and Computational Issues in the Geosciences, Bergen, Norvège 
6.
19 juin 2023 PDF icon
Polynomial-degree-robust multilevel and domain decomposition methods with optimal step-sizes for mixed finite element discretizations of elliptic problems
SIAM Conference on Mathematical and Computational Issues in the Geosciences, Bergen, Norvège , (minisymposium “Domain decomposition and time-splitting methods for multiscale multiphysics problems”)
7.
13 juin 2023 PDF icon
A priori and a posteriori error analysis in H(curl): localization, minimal regularity, and p-optimality
Foundations of Computational Mathematics, Paris (workshop “Multiresolution and Adaptivity in Numerical PDEs”)
8.
30 mai 2023 PDF icon
Inexpensive polynomial-degree-robust equilibrated flux a posteriori estimates for isogeometric analysis
HOFEIM 2023, Larnaca, Chypre
9.
13 mai 2023 PDF icon
Equilibration in H(curl) and applications in a priori and a posteriori magnetostatic analysis
European Finite Element Fair, Enschede, Pays-Bas

2022

10.
02 novembre 2022 PDF icon
A priori and a posteriori error analysis in H(curl): localization, minimal regularity, and p-optimality
Singular Days 2022, Nice,
11.
01 août 2022 PDF icon
Polynomial-degree-robust a posteriori error estimation for the curl-curl problem
15th World Congress on Computational Mechanics, Yokohama, Japon (en ligne)
12.
13 juillet 2022 PDF icon
Error control and adaptivity in numerical simulations
EQUADIFF 15, Brno, République Tchèque 
13.
14 mars 2022
Guaranteed bounds for eigenvalues and eigenvectors: multiplicities and clusters
International Workshop on Reliable Computing and Computer-Assisted Proofs (ReCAP 2022), Japon (en ligne)
14.
07 février 2022 PDF icon
A space-time multiscale mortar mixed finite element method for parabolic equations
Space-Time Methods, Oberwolfach, Allemagne 
15.
24 janvier 2022 PDF icon
Guaranteed and robust a posteriori error estimates for the reaction–diffusion and heat equations
34ème Mécanique des fluides numérique, Paris

2021

16.
29 septembre 2021 PDF icon
Polynomial-degree-robust a posteriori error estimation for the curl-curl problem
BI.discrete21, Bielefeld, Allemagne
17.
24 juin 2021 PDF icon
Polynomial-degree-robust a posteriori error estimation for the curl-curl problem
RANAPDE 2021, Milan, Italie (en ligne)
18.
23 juin 2021 PDF icon
Goal-oriented a posteriori error estimation for conforming and nonconforming approximations with inexact solvers
ADMOS 2021, Gothenburg, Suède (en ligne)
19.
16 juin 2021 PDF icon
A posteriori error estimates and adaptivity taking into account algebraic errors
PDEs in Fluid Mechanics 2021, Beyrouth, Liban (en ligne)
20.
13 janvier 2021 PDF icon
Guaranteed a posteriori bounds for eigenvalues and eigenvectors: multiplicities and clusters
WCCM 2021, Paris (en ligne)

2020

21.
02 septembre 2020 PDF icon
A posteriori error estimates and adaptive solvers for porous media flows
InterPore 2020 (en ligne)
22.
15 juin 2020 PDF icon
A posteriori error estimates with inexact solvers and recovering mass balance in any situation
Finite Volumes for Complex Applications IX, Bergen, Norvège  (en ligne)

2019

23.
08 octobre 2019 PDF icon
A posteriori estimates & adaptivity with balancing of error components
Kick-off meeting of the ERC project EMC2, Paris
24.
09 septembre 2019 PDF icon
A posteriori error estimates and adaptivity taking into account algebraic errors
Reliable Methods of Mathematical Modeling 2019, Vienne, Autriche 
25.
29 juillet 2019 PDF icon
Equivalence of local- and global-best approximations and a simple stable local commuting projector in H(div,Ω)
15th US National Congress on Computational Mechanics, Austin, Etats-Unis 
26.
01 juillet 2019 PDF icon
Potential and flux reconstructions for optimal a priori and a posteriori error estimates
Modern Finite Element Technologies 2019 (ECCOMAS thematic conference), Bad Honnef, Allemagne 
27.
18 juin 2019 PDF icon
Localization of global norms and robust a posteriori error control for transmission problems with sign-changing coefficients
MAFELAP 2019, Brunel University, Uxbridge, Grande Bretagne (minisymposium “Recent advancements in p and hp Galerkin methods”)
28.
03 mai 2019 PDF icon
A simple a posteriori estimate on general polytopal meshes with applications to complex porous media flows
POEMs - POlytopal Element Methods in Mathematics and Engineering, Marseille-Luminy
29.
15 avril 2019 PDF icon
Guaranteed a posteriori bounds for eigenvalues and eigenvectors: multiplicities and clusters
Eigenvalue day, Berlin, Allemagne 
30.
20 février 2019 PDF icon
Equivalence of local- and global-best approximations and simple stable local commuting projectors in H(div,Ω)
GAMM 2019, Vienne, Autriche 
31.
24 janvier 2019
Equivalence of local- and global-best approximations and simple stable local commuting projectors in H(div,Ω)
WONAPDE 2019, Concepción, Chili

2018

32.
31 août 2018 PDF icon
A simple a posteriori estimate on general polytopal meshes with applications to complex porous media flows
Reactive Flows in Deformable, Complex Media, Oberwolfach, Allemagne 
33.
23 juillet 2018 PDF icon
Sharp algebraic and total a posteriori error bounds for h and p finite elements via a multilevel approach
13th World Congress in Computational Mechanics, New York, Etats-Unis 
34.
11 juin 2018
Potential and flux reconstructions for optimal a priori and a posteriori error estimates
Seventh Conference on Finite Difference Methods: Theory and Applications, Lozenetz, Bulgarie
35.
04 juin 2018 PDF icon
Potential and flux reconstructions for optimal a priori and a posteriori error estimates
FEEC and High Order Methods, Oslo, Norvège

2017

36.
27 septembre 2017
A simple a posteriori estimate on general polytopal meshes with applications to complex porous media flows
ENUMATH 2017, Voss, Norvège
37.
22 septembre 2017 PDF icon
Adaptive numerical approximation of model partial differential equations
Czech workshop on complex systems, Prague, République Tchèque 
38.
3 août 2017 PDF icon, video of the talk
Guaranteed, locally space-time efficient, and polynomial-degree robust a posteriori error estimates for high-order discretizations of parabolic problems
Workshop on MOdel REduction, Roztoky, République Tchèque 
39.
14 juillet 2017 PDF icon
Guaranteed and robust a posteriori bounds for Laplace eigenvalues and eigenvectors
Foundations of Computational Mathematics, Barcelona, Espagne (workshop “Multiresolution and Adaptivity in Numerical PDEs”)
40.
27 mai 2017
Multilevel estimates of the algebraic error
European Finite Element Fair, Milan, Italie 
41.
18 mai 2017 PDF icon
Flux and potential reconstructions for guaranteed error bounds in numerical approximations of model PDEs
MAMERN 2017, Oujda, Maroc 
42.
10 mai 2017
Flux and potential reconstructions for guaranteed error bounds in numerical approximations of model PDEs
TamTam 2017, Hammamet, Tunisie 
43.
14 mars 2017 PDF icon
A posteriori error estimates for linear and nonlinear evolution problems using space-time dual norms
Space-Time Methods, Oberwolfach, Allemagne 

2016

44.
03 octobre 2016
Guaranteed and robust a posteriori bounds for Laplace eigenvalues and eigenvectors
IHP quarter on Numerical Methods for PDEs, Paris
45.
22 septembre 2016 PDF icon
Stable broken H1 and H(div) polynomial extensions
Adaptive Algorithms, Oberwolfach, Allemagne 
46.
15 juin 2016 PDF icon
Localization of dual norms, local stopping criteria, and fully adaptive solvers
MAFELAP 2016, Brunel University, Uxbridge, Grande Bretagne (minisymposium “Adaptive methods and singular solutions of nonlinear problems”)
47.
15 juin 2016
Polynomial-degree-robust estimates in three space dimensions
MAFELAP 2016, Brunel University, Uxbridge, Grande Bretagne (minisymposium “A posteriori error estimation and adaptivity”)
48.
18 mars 2016
Estimating a posteriori the discretization and algebraic errors: an overview
ALGORITMY 2016, Podbanske, Slovaquie 
49.
12 janvier 2016 PDF icon
Guaranteed and robust a posteriori bounds for Laplace eigenvalues and eigenvectors
WONAPDE 2016, Concepción, Chili
50.
06 janvier 2016
Localization of dual norms, local stopping criteria, and fully adaptive solvers
Adaptive algorithms for computational PDEs, Birmingham, Grande Bretagne 

2015

51.
29 septembre 2015 PDF icon
The current landscape of energy a posteriori error estimators
28th Chemnitz FEM symposium, Allemagne 
52.
10 septembre 2015 vidéo de l’exposé
A posteriori error estimates and adaptivity for Stokes flow with implicit constitutive laws
Workshop on MOdel REduction, Pilsen, République Tchèque 
53.
29 juin 2015 PDF icon
Adaptive inexact Newton methods and adaptive regularization and space–time discretization for unsteady nonlinear problems
27th IFIP Conference on System Modelling and Optimization, Sophia Antipolis
54.
6 juin 2015
Guaranteed and robust a posteriori bounds for Laplace eigenvalues and eigenvectors
European Finite Element Fair, Prague, République Tchèque 
55.
14 janvier 2015
Polynomial-degree-robust a posteriori estimates in a unified setting
La Serena Numérica, 8th Chilean Numerical Analysis and Partial Differential Equations Meeting, La Serena, Chili

2014

56.
12 décembre 2014 PDF icon
Polynomial-degree-robust a posteriori estimates in a unified setting
Foundations of Computational Mathematics, Montevideo, Uruguay (workshop “Multiresolution and Adaptivity in Numerical PDEs”)
57.
9 décembre 2014 PDF icon
Mixed finite elements: a priori analysis, implementation, and use in a posteriori analysis
Conference honoring Jean Roberts and Jérôme Jaffré, INRIA Paris-Rocquencourt
58.
23 septembre 2014 PDF icon
Adaptive inexact Newton methods and their application to multi-phase flows
Reactive Flows in Deformable, Complex Media, Oberwolfach, Allemagne 
59.
21 juillet 2014 PDF icon
Adaptive discretization, regularization, linearization, and algebraic solution in unsteady nonlinear problems
11th World Congress on Computational Mechanics, Barcelona, Espagne
60.
30 mai 2014
Polynomial-degree-robust a posteriori estimates in a unified setting for conforming, nonconforming, DG, and mixed discretizations
European Finite Element Fair, Vienna, Autriche
61.
16 mai 2014 PDF icon
Adaptive inexact Newton methods with a posteriori stopping criteria for nonlinear diffusion PDEs
Fast Solvers for Partial Differential Equations, Oberwolfach, Allemagne 
62.
11 mars 2014
Polynomial-degree-robust a posteriori estimates in a unified setting for conforming, nonconforming, discontinuous Galerkin, and mixed discretizations
Czech workshop on applied mathematics in engineering, Prague, République Tchèque 

2013

63.
25 novembre 2013 PDF icon
Mixed finite element methods: reduction to one unknown per element
Workshop on Model reduction in continuum thermodynamics: Modeling, analysis and computation, Liblice, République Tchèque 
64.
29 octobre 2013
Adaptive inexact Newton methods with a posteriori stopping criteria and applications
Nord Pas de Calais/Belgium congress of mathematics, Valenciennes (section “Numerical Schemes for PDEs”)
65.
29 août 2013
Adaptive regularization, linearization, and algebraic solution in unsteady nonlinear problems
ENUMATH 2013, Lausanne, Suisse (minisymposium “Adaptive stopping criteria”)
66.
21 juin 2013
A framework for robust a posteriori error control in unsteady nonlinear advection-diffusion problems
FEIST 2013, Prague, République Tchèque (conférence en l’honneur du 70ème anniversaire de Prof. Miloslav Feistauer)
67.
20 juin 2013 PDF icon
A posteriori error estimates, stopping criteria, and adaptivity for two-phase flows
SIAM Conference on Mathematical and Computational Issues in the Geosciences, Pavova, Italie (minisymposium “Recent advances in inexact solvers in geosciences”)
68.
11 juin 2013 PDF icon
A framework for robust a posteriori error control in unsteady nonlinear advection-diffusion problems
MAFELAP 2013, Brunel University, Uxbridge, Grande Bretagne (minisymposium “New advances in a posteriori error estimation”)
69.
23 mai 2013
Equilibrated fluxes: guaranteed error control and error components identification
Workshop Error Estimates and Adaptive Mesh Refinement Strategies for Boundary Element Methods, ENSTA, Paris
70.
27 mars 2013
Adaptive inexact Newton methods with a posteriori stopping criteria for nonlinear diffusion PDEs
Advances in Computational PDEs, Seoul, Corée du Sud

2012

71.
9 novembre 2012
Adaptive regularization, linearization, and algebraic solution in numerical discretizations
International Conference on Modeling, Analysis and Simulation, Tokyo, Japon
72.
18 octobre 2012
A posteriori error estimates for efficiency and error control in numerical simulations
German–French workshop on high-performance computing, Stuttgart-Fellbach, Allemagne 
73.
18 septembre 2012 PDF icon
Adaptive regularization, linearization, and numerical solution of unsteady nonlinear problems
Workshop on Model reduction in continuum thermodynamics: Modeling, analysis and computation, BIRS, Canada
74.
13 septembre 2012
A posteriori error estimates and adaptivity for two-phase flows
ALGORITMY 2012, Podbanske, Slovaquie (minisymposium “A posteriori error estimates”)
75.
4 septembre 2012 PDF icon
Adaptive inexact Newton methods with a posteriori stopping criteria for nonlinear diffusion PDEs
XII GAMM Workshop on Applied and Numerical Linear Algebra, Liblice, République Tchèque 
76.
21 juin 2012
Adaptive inexact Newton methods with a posteriori stopping criteria
Presentation of Mathematics’12, Liberec, République Tchèque 

2011

77.
22 juillet 2011PDF icon
Guaranteed and robust a posteriori error estimates and balancing discretization and linearization errors for monotone nonlinear problems
7th International Congress on Industrial and Applied Mathematics, Vancouver, Canada (minisymposium “A posteriori error control and adaptivity for nonlinear and evolutive problems”)
78.
29 juin 2011PDF icon
A unified framework for a posteriori error estimation for the Stokes problem
24th Biennial Conference on Numerical Analysis, Glasgow, Grande Bretagne (minisymposium “Recent developments in a-posteriori error estimation”)
79.
30 mars 2011 PDF icon
Mixed finite element methods: implementation with one unknown per element, local flux expressions, positivity, polygonal meshes, and relations to other methods
INTERPORE 2011, Bordeaux
80.
21 mars 2011
Guaranteed and robust a posteriori stopping criteria for iterative linearizations and linear solvers
SIAM Conference on Mathematical and Computational Issues in the Geosciences, Long Beach, Etats-Unis (minisymposium “Convergent numerical schemes for flow and solute transport in porous media”)

2006–2010

81.
22 octobre 2010
A posteriori estimates and stopping criteria for iterative linearizations and linear solvers
Presentation of Mathematics’10, Liberec, République Tchèque 
82.
10 septembre 2010
Mixed finite element methods: all order schemes with one unknown per element, local flux expressions, positivity, polygonal meshes, and relations to other methods
Workshop on Discretization methods for viscous flows, Carry-le-Rouet
83.
14 juillet 2010 PDF icon
A posteriori error estimation based on potential and flux reconstruction for the heat equation: a unified framework
SIAM annual meeting, Pittsburgh, Etats-Unis (minisymposium “Advances in computational modeling in the geosciences”)
84.
5 juillet 2010
Lowest-order mixed finite element methods: implementation with one unknown per element, local flux expressions, positivity, polygonal meshes, and relations to other methods
Workshop on Advanced methods for the diffusion equation on general meshes, Paris
85.
21 mai 2010
Guaranteed and robust a posteriori error estimates and stopping criteria for iterative linearizations and linear solvers
European Finite Element Fair, Warwick, Grande Bretagne 
86.
16 mars 2010
A posteriori error estimates including algebraic error and stopping criteria for iterative solvers
InterPore 2010, College Station, Etats-Unis 
87.
5 mars 2010
Guaranteed and robust a posteriori error estimates for monotone nonlinear problems and stopping criteria for iterative linearizations and linear solvers
Finite Element Rodeo, Dallas, Etats-Unis 
88.
10 septembre 2009
Guaranteed and robust a posteriori error estimates and balancing discretization and linearization errors for monotone nonlinear problems
Adaptive Finite Elements: Analysis and Application, Kirchzarten, Allemagne 
89.
19 juillet 2009
A posteriori error estimates including algebraic error: computable upper bounds and stopping criteria for iterative solvers
10th US National Congress on Computational Mechanics, Columbus, Etats-Unis (minisymposium “Estimation and adaptive control of modeling error in computational mechanics”)
90.
26 juin 2009
A posteriori error estimates taking into account linearization and algebraic errors
Reliable Methods of Mathematical Modeling, Berlin, Allemagne 
91.
18 juin 2009 PDF icon
Guaranteed and robust discontinuous Galerkin a posteriori error estimates for convection–diffusion–reaction problems
SIAM Conference on Mathematical and Computational Issues in the Geosciences, Leipzig, Allemagne (minisymposium “Effective and reliable simulations of solute transport in porous media”)
92.
11 juin 2009
Guaranteed and robust discontinuous Galerkin a posteriori error estimates for convection–diffusion–reaction problems
MAFELAP 2009, Brunel University, Uxbridge, Grande Bretagne (minisymposium “A posteriori error estimates for discontinuous Galerkin methods”)
93.
11 juin 2009
Guaranteed and robust a posteriori error estimates for problems with inhomogeneous coefficients and dominant reaction
MAFELAP 2009, Brunel University, Uxbridge, Grande Bretagne (minisymposium “Goal-oriented error estimation and adaptivity”)
94.
27 janvier 2009
A posteriori error estimates including algebraic error: computable upper bounds and stopping criteria for iterative solvers
21ème Mécanique des fluides numérique, Paris
95.
22 janvier 2009
Guaranteed and robust discontinuous Galerkin a posteriori error estimates for convection–diffusion–reaction problems
Multiresolution and adaptive methods for convection-dominated problems, Paris
96.
13 octobre 2008
Guaranteed and robust a posteriori error estimation based on flux reconstruction for discontinuous Galerkin methods
A posteriori estimates for adaptive mesh refinement and error control, Paris
97.
9 juin 2008
Two types of guaranteed (and robust) a posteriori estimates for finite volume methods
5th International Symposium on Finite Volumes for Complex Applications, Aussois
98.
4 juin 2008
A unified framework for optimal a posteriori error estimation in different numerical methods
Deuxième congrès Canada – France, Montréal, Canada (minisymposium  Mécanique des fluides industrielle )
99.
22 janvier 2008
Guaranteed (and robust) a posteriori error estimates in continuous and discontinuous Galerkin finite element and finite volume methods
Adaptive numerical methods for PDE’s, Wolfgang Pauli Institute of Wien, Autriche
100.
22 octobre 2007
Guaranteed, robust, and almost asymptotically exact a posteriori error estimation in numerical approximation of elliptic partial differential equations
US – France Young Engineering Scientists Symposium 2007, Washington D.C., Etats-Unis (section “Modeling and High Performance Computing”)
101.
30 août 2007
Guaranteed, locally efficient, asymptotically exact, and robust a posteriori error estimation in the finite element method
CEMRACS 2007, Marseille-Luminy
102.
16 juillet 2007
Combining finite volumes and finite elements for nonmatching grids
6th International Congress on Industrial and Applied Mathematics, Zurich, Suisse (minisymposium “Multiscale porous media—applications, discretizations, solvers”)
103.
18 mai 2007
Unified primal formulation-based a priori and a posteriori error analysis of mixed finite element methods
European Finite Element Fair 5, Marseille/Luminy
104.
28 septembre 2006
A posteriori error estimates for finite volume discretizations of inhomogeneous, anisotropic, and convection-dominated problems
Understanding of Complex Pattern Dynamics, Kobe Institute, Kobe, Japon
105.
15 juin 2006
A posteriori error estimates for mixed finite element discretizations of inhomogeneous, anisotropic, and convection-dominated problems
MAFELAP 2006, Brunel University, Uxbridge, Grande Bretagne 
106.
3 juin 2006
A posteriori error estimates for mixed finite element discretizations of convection–diffusion–reaction equations
European Finite Element Fair 4, Zürich, Suisse

2005 et avant

107.
8 juin 2005
Mixed finite elements for flow and contaminant transport through fracture networks: Theory and efficient implementation
SIAM Conference on Mathematical and Computational Issues in the Geosciences, Avignon (minisymposium “Flow and transport in fractured media”)
108.
15 mars 2005
Equivalence between lowest-order mixed finite element and multi-point volume methods. Derivation, properties, and numerical experiments
ALGORITMY 2005, Podbanske, Slovaquie 
109.
2 septembre 2003
Combined nonconforming/mixed-hybrid finite element–finite volume schemes for contaminant transport simulation
Simulation, Modelling, and Numerical Analysis SIMONA 2003, Liberec, République Tchèque 
110.
20 août 2003
Combined nonconforming/mixed-hybrid finite element–finite volume scheme for degenerate parabolic problems
ENUMATH 2003, Prague, République Tchèque 
111.
18 août 2002
Stochastic discrete fracture network model: Model creation and computation of the flow and contaminant transport
Satellite Conference on Scientific Computing, ICM 02, Xian, Chine
112.
28 août 2001
Mixed model of the fracture flow
EQUADIFF 10, Prague, République Tchèque 
113.
14 septembre 2000
Mixed-hybrid model of the fracture flow
ALGORITMY 2000, Podbanske, Slovaquie 
114.
5 septembre 2000
Modelling the fracture flow
Simulation, Modelling, and Numerical Analysis SIMONA 2000, Liberec, République Tchèque