Raytcho D. Lazarov
Orcid: 0000-0002-4911-3685
According to our database1,
Raytcho D. Lazarov
authored at least 68 papers
between 1987 and 2020.
Collaborative distances:
Collaborative distances:
Timeline
Legend:
Book In proceedings Article PhD thesis Dataset OtherLinks
Online presence:
-
on zbmath.org
-
on orcid.org
-
on d-nb.info
On csauthors.net:
Bibliography
2020
Analysis of numerical methods for spectral fractional elliptic equations based on the best uniform rational approximation.
J. Comput. Phys., 2020
CoRR, 2020
Modern Problems of Numerical Analysis. On the Centenary of the Birth of Alexander Andreevich Samarskii.
Comput. Methods Appl. Math., 2020
Comput. Math. Appl., 2020
2019
The Best Uniform Rational Approximation: Applications to Solving Equations Involving Fractional powers of Elliptic Operators.
CoRR, 2019
2018
Numer. Linear Algebra Appl., 2018
A note on the uniform inf-sup condition for the Brinkman problem in highly heterogeneous media.
J. Comput. Appl. Math., 2018
Comput. Methods Appl. Math., 2018
2017
Math. Comput., 2017
Geometric Multigrid for Darcy and Brinkman models of flows in highly heterogeneous porous media: A numerical study.
J. Comput. Appl. Math., 2017
Comput. Methods Appl. Math., 2017
2016
Preconditioning Heterogeneous H(div) Problems by Additive Schur Complement Approximation and Applications.
SIAM J. Sci. Comput., 2016
Two Fully Discrete Schemes for Fractional Diffusion and Diffusion-Wave Equations with Nonsmooth Data.
SIAM J. Sci. Comput., 2016
A Petrov-Galerkin Finite Element Method for Fractional Convection-Diffusion Equations.
SIAM J. Numer. Anal., 2016
A simple finite element method for boundary value problems with a Riemann-Liouville derivative.
J. Comput. Appl. Math., 2016
Multiscale direction-splitting algorithms for parabolic equations with highly heterogeneous coefficients.
Comput. Math. Appl., 2016
2015
A Multiscale HDG Method for Second Order Elliptic Equations. Part I. Polynomial and Homogenization-Based Multiscale Spaces.
SIAM J. Numer. Anal., 2015
Numerische Mathematik, 2015
Variational formulation of problems involving fractional order differential operators.
Math. Comput., 2015
The Galerkin finite element method for a multi-term time-fractional diffusion equation.
J. Comput. Phys., 2015
2014
Error Analysis of a Finite Element Method for the Space-Fractional Parabolic Equation.
SIAM J. Numer. Anal., 2014
2013
Multiscale Domain Decomposition Preconditioners for Anisotropic High-Contrast Problems.
Proceedings of the Domain Decomposition Methods in Science and Engineering XX, 2013
Error Estimates for a Semidiscrete Finite Element Method for Fractional Order Parabolic Equations.
SIAM J. Numer. Anal., 2013
J. Comput. Phys., 2013
Comput. Methods Appl. Math., 2013
Mixed FEM for Second Order Elliptic Problems on Polygonal Meshes with BEM-Based Spaces.
Proceedings of the Large-Scale Scientific Computing - 9th International Conference, 2013
2012
Some error estimates for the lumped mass finite element method for a parabolic problem.
Math. Comput., 2012
Robust Two-level Domain Decomposition Preconditioners for High-contrast Anisotropic Flows in Multiscale Media.
Comput. Methods Appl. Math., 2012
Galerkin FEM for Fractional Order Parabolic Equations with Initial Data in H - s , 0 ≤ s ≤ 1.
Proceedings of the Numerical Analysis and Its Applications - 5th International Conference, 2012
2011
Multiscale Model. Simul., 2011
Robust Solvers for Symmetric Positive Definite Operators and Weighted Poincaré Inequalities.
Proceedings of the Large-Scale Scientific Computing - 8th International Conference, 2011
2010
Comput. Vis. Sci., 2010
Least squares approach for initial data recovery in dynamic data-driven applications simulations.
Comput. Vis. Sci., 2010
2009
A Simplified Method for Upscaling Composite Materials with High Contrast of the Conductivity.
SIAM J. Sci. Comput., 2009
Mixed Finite Element Approximations of Parabolic Integro-Differential Equations with Nonsmooth Initial Data.
SIAM J. Numer. Anal., 2009
Unified Hybridization of Discontinuous Galerkin, Mixed, and Continuous Galerkin Methods for Second Order Elliptic Problems.
SIAM J. Numer. Anal., 2009
Discontinuous Galerkin Subgrid Finite Element Method for Heterogeneous Brinkman's Equations.
Proceedings of the Large-Scale Scientific Computing, 7th International Conference, 2009
2007
Numerische Mathematik, 2007
CBS constants for multilevel splitting of graph-Laplacian and application to preconditioning of discontinuous Galerkin systems.
J. Complex., 2007
2006
Some new error estimates of a semidiscrete finite volume element method for a parabolic integro-differential equation with nonsmooth initial data.
SIAM J. Numer. Anal., 2006
Numer. Linear Algebra Appl., 2006
Two-level preconditioning of discontinuous Galerkin approximations of second-order elliptic equations.
Numer. Linear Algebra Appl., 2006
Proceedings of the Computational Science, 2006
2005
Error Estimates for a Finite Volume Element Method for Elliptic PDEs in Nonconvex Polygonal Domains.
SIAM J. Numer. Anal., 2005
Explicit and Averaging A Posteriori Error Estimates for Adaptive Finite Volume Methods.
SIAM J. Numer. Anal., 2005
Numer. Linear Algebra Appl., 2005
Postprocessing and Improved Accuracy of the Lowest-Order Mixed Finite Element Approximation for Biharmonic Eigenvalues.
Proceedings of the Large-Scale Scientific Computing, 5th International Conference, 2005
Multiscale Interpolation, Backward in Time Error Analysis for Data-Driven Contaminant Simulation.
Proceedings of the Computational Science, 2005
2004
Proceedings of the Computational Science, 2004
2003
Almost optimal interior penalty discontinuous approximations of symmetric elliptic problems on non-matching grids.
Numerische Mathematik, 2003
Proceedings of the Computational Science - ICCS 2003, 2003
2002
On a Two-Level Parallel MIC(0) Preconditioning of Crouzeix-Raviart Non-conforming FEM Systems.
Proceedings of the Numerical Methods and Applications, 5th International Conference, 2002
2001
A Modified Finite Volume Approximation of Second-Order Elliptic Equations with Discontinuous Coefficients.
SIAM J. Sci. Comput., 2001
SIAM J. Numer. Anal., 2001
Iterative solution of a coupled mixed and standard Galerkin discretization method for elliptic problems.
Numer. Linear Algebra Appl., 2001
2000
Finite Volume Element Approximations of Nonlocal in Time One-Dimensional Flows in Porous Media.
Computing, 2000
1999
Mixed Finite Element Methods for Elliptic Problems on Non-Matching Grids.
Proceedings of the Large-Scale Scientific Computation for Engineering and Environmental Problems, 1999
1997
A least-squares approach based on a discrete minus one inner product for first order systems.
Math. Comput., 1997
1996
Numer. Linear Algebra Appl., 1996
Numer. Linear Algebra Appl., 1996
Domain decomposition algorithms for mixed methods for second-order elliptic problems.
Math. Comput., 1996
1994
Local refinement techniques for elliptic problems on cell-centered grids; II. Optimal order two-grid iterative methods.
Numer. Linear Algebra Appl., 1994
1993
1992
SIAM J. Sci. Comput., 1992
1990
Finite difference schemes on grids with local refinement in time and space for parabolic problems I. Derivation, stability, and error analysis.
Computing, 1990
1987
Solving Elliptic Problems by the Domain Decomposition Method Using Proconditioning Matrices Derived by Multilevel Splitting of the Finite Element Matrix.
Proceedings of the Supercomputing, 1987