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Panayot S. Vassilevski
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- affiliation: Lawrence Livermore National Laboratory
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2020 – today
- 2024
- [j105]Chak Shing Lee
, François P. Hamon, Nicola Castelletto, Panayot S. Vassilevski, Joshua A. White:
Multilevel well modeling in aggregation-based nonlinear multigrid for multiphase flow in porous media. J. Comput. Phys. 513: 113163 (2024) - [j104]Will Pazner
Matrix-Free High-Performance Saddle-Point Solvers for High-Order Problems in \(\boldsymbol{H}(\operatorname{\textbf{div}})\). SIAM J. Sci. Comput. 46(3): 179- (2024) - [i15]Hillary R. Fairbanks, Delyan Z. Kalchev, Chak Shing Lee, Panayot S. Vassilevski:
Scalable Multilevel Monte Carlo Methods Exploiting Parallel Redistribution on Coarse Levels. CoRR abs/2408.02241 (2024) - 2023
- [j103]Pasqua D'Ambra
Extending bootstrap AMG for clustering of attributed graphs. Appl. Math. Comput. 447: 127904 (2023) - [j102]Colin Ponce, Ruipeng Li, Christina Mao, Panayot S. Vassilevski:
Multilevel-in-width training for deep neural network regression. Numer. Linear Algebra Appl. 30(5) (2023) - [j101]Delyan Z. Kalchev, Panayot S. Vassilevski, Umberto Villa
Parallel Element-Based Algebraic Multigrid for \(\boldsymbol{H}\) (curl) and \(\boldsymbol{H}\) (div) Problems Using the ParELAG Library. SIAM J. Sci. Comput. 45(3): S371-S400 (2023) - [i14]Will Pazner, Tzanio V. Kolev, Panayot S. Vassilevski:
Matrix-free GPU-accelerated saddle-point solvers for high-order problems in H(div). CoRR abs/2304.12387 (2023) - [i13]Chak Shing Lee, François P. Hamon, Nicola Castelletto, Panayot S. Vassilevski, Joshua A. White:
Multilevel well modeling in aggregation-based nonlinear multigrid for multiphase flow in porous media. CoRR abs/2308.00125 (2023) - 2022
- [j100]Chak Shing Lee
An aggregation-based nonlinear multigrid solver for two-phase flow and transport in porous media. Comput. Math. Appl. 113: 282-299 (2022) - [i12]Colin Ponce, Ruipeng Li, Christina Mao, Panayot S. Vassilevski:
Multilevel-in-Layer Training for Deep Neural Network Regression. CoRR abs/2211.06515 (2022) - 2021
- [j99]Andreas Schafelner
Numerical results for adaptive (negative norm) constrained first order system least squares formulations. Comput. Math. Appl. 95: 256-270 (2021) - [j98]Hillary R. Fairbanks
Estimating posterior quantity of interest expectations in a multilevel scalable framework. Numer. Linear Algebra Appl. 28(3) (2021) - [j97]Benjamin Quiring
Multilevel graph embedding. Numer. Linear Algebra Appl. 28(3) (2021) - [j96]Andrew T. Barker, Stephan V. Gelever, Chak Shing Lee
Multilevel Spectral Coarsening for Graph Laplacian Problems with Application to Reservoir Simulation. SIAM J. Sci. Comput. 43(4): A2737-A2765 (2021) - [j95]Hillary R. Fairbanks
Multilevel Hierarchical Decomposition of Finite Element White Noise with Application to Multilevel Markov Chain Monte Carlo. SIAM J. Sci. Comput. 43(5): S293-S316 (2021) - [i11]Delyan Z. Kalchev, Panayot S. Vassilevski, Umberto Villa:
Parallel Element-based Algebraic Multigrid for H(curl) and H(div) Problems Using the ParELAG Library. CoRR abs/2107.05613 (2021) - [i10]Chak Shing Lee, François P. Hamon, Nicola Castelletto, Panayot S. Vassilevski, Joshua A. White:
An Aggregation-based Nonlinear Multigrid Solver for Two-phase Flow and Transport in Porous Media. CoRR abs/2109.07546 (2021) - [i9]Pasqua D'Ambra, Clara De Santis, Panayot S. Vassilevski, Luisa Cutillo:
Network Clustering by Embedding of Attribute-augmented Graphs. CoRR abs/2109.09367 (2021) - 2020
- [j94]Difeng Cai
Eigenvalue Problems for Exponential-Type Kernels. Comput. Methods Appl. Math. 20(1): 61-78 (2020) - [j93]Delyan Z. Kalchev
Auxiliary Space Preconditioning of Finite Element Equations Using a Nonconforming Interior Penalty Reformulation and Static Condensation. SIAM J. Sci. Comput. 42(3): A1741-A1764 (2020) - [j92]Delyan Z. Kalchev
A Condensed Constrained Nonconforming Mortar-Based Approach for Preconditioning Finite Element Discretization Problems. SIAM J. Sci. Comput. 42(5): A3136-A3156 (2020) - [i8]Andrew T. Barker, Stephan V. Gelever, Chak Shing Lee, Sarah V. Osborn, Panayot S. Vassilevski:
Multilevel spectral coarsening for graph Laplacian problems with application to reservoir simulation. CoRR abs/2003.04423 (2020) - [i7]Chak Shing Lee, François P. Hamon
Nonlinear multigrid based on local spectral coarsening for heterogeneous diffusion problems. CoRR abs/2005.01275 (2020) - [i6]Hillary R. Fairbanks, Umberto Villa, Panayot S. Vassilevski:
Multilevel Hierarchical Decomposition of Finite Element White Noise with Application to Multilevel Markov Chain Monte Carlo. CoRR abs/2007.14440 (2020)
2010 – 2019
- 2019
- [j91]Pasqua D'Ambra
Bootstrap AMG for spectral clustering. Comput. Math. Methods 1(2) (2019) - [j90]Pasqua D'Ambra
Improving solve time of aggregation-based adaptive AMG. Numer. Linear Algebra Appl. 26(6) (2019) - [j89]Xiaozhe Hu, Panayot S. Vassilevski:
Modifying AMG Coarse Spaces with Weak Approximation Property to Exhibit Approximation in Energy Norm. SIAM J. Matrix Anal. Appl. 40(3): 1131-1152 (2019) - [j88]Veselin Dobrev
Algebraic Hybridization and Static Condensation with Application to Scalable H(div) Preconditioning. SIAM J. Sci. Comput. 41(3): B425-B447 (2019) - [i5]Xiaozhe Hu, Panayot S. Vassilevski:
Modifying AMG coarse spaces with weak approximation property to exhibit approximation in energy norm. CoRR abs/1906.08186 (2019) - [i4]Pasqua D'Ambra, Panayot S. Vassilevski:
Improving Solve Time of aggregation-based adaptive AMG. CoRR abs/1907.04417 (2019) - [i3]Delyan Z. Kalchev, Panayot S. Vassilevski:
Auxiliary Space Preconditioning of Finite Element Equations Using a Nonconforming Interior Penalty Reformulation and Static Condensation. CoRR abs/1910.06986 (2019) - [i2]Tuyen Tran, Aidan Hamilton, Maricela Best McKay, Benjamin Quiring, Panayot S. Vassilevski:
DNN Approximation of Nonlinear Finite Element Equations. CoRR abs/1911.05240 (2019) - [i1]Delyan Z. Kalchev, Panayot S. Vassilevski:
A Condensed Constrained Nonconforming Mortar-based Approach for Preconditioning Finite Element Discretization Problems. CoRR abs/1912.05441 (2019) - 2018
- [j87]Max la Cour Christensen, Panayot S. Vassilevski, Umberto Villa
Nonlinear multigrid solvers exploiting AMGe coarse spaces with approximation properties. J. Comput. Appl. Math. 340: 691-708 (2018) - [j86]Kirill Voronin, Chak Shing Lee
Space-time discretizations using constrained first-order system least squares (CFOSLS). J. Comput. Phys. 373: 863-876 (2018) - [j85]Sarah Osborn
Scalable hierarchical PDE sampler for generating spatially correlated random fields using nonmatching meshes. Numer. Linear Algebra Appl. 25(3) (2018) - [j84]Jay Gopalakrishnan
The Auxiliary Space Preconditioner for the de Rham Complex. SIAM J. Numer. Anal. 56(6): 3196-3218 (2018) - [j83]Colin Ponce, David Bindel, Panayot S. Vassilevski:
A Nonlinear Algebraic Multigrid Framework for the Power Flow Equations. SIAM J. Sci. Comput. 40(3) (2018) - [j82]Pasqua D'Ambra
BootCMatch: A Software Package for Bootstrap AMG Based on Graph Weighted Matching. ACM Trans. Math. Softw. 44(4): 39:1-39:25 (2018) - 2017
- [j81]Randolph E. Bank, Panayot S. Vassilevski, Ludmil T. Zikatanov
Arbitrary dimension convection-diffusion schemes for space-time discretizations. J. Comput. Appl. Math. 310: 19-31 (2017) - [j80]Colin Ponce, Panayot S. Vassilevski:
Solving Graph Laplacian Systems Through Recursive Partitioning and Two-Grid Preconditioning. SIAM J. Matrix Anal. Appl. 38(2): 621-648 (2017) - [j79]Max la Cour Christensen, Umberto Villa
Numerical Multilevel Upscaling for Incompressible Flow in Reservoir Simulation: An Element-Based Algebraic Multigrid (AMGe) Approach. SIAM J. Sci. Comput. 39(1) (2017) - [j78]Andrew T. Barker
Spectral Upscaling for Graph Laplacian Problems with Application to Reservoir Simulation. SIAM J. Sci. Comput. 39(5) (2017) - [j77]Sarah Osborn, Panayot S. Vassilevski, Umberto Villa
A Multilevel, Hierarchical Sampling Technique for Spatially Correlated Random Fields. SIAM J. Sci. Comput. 39(5) (2017) - 2016
- [j76]Xiaozhe Hu, Panayot S. Vassilevski, Jinchao Xu:
A two-grid SA-AMG convergence bound that improves when increasing the polynomial degree. Numer. Linear Algebra Appl. 23(4): 746-771 (2016) - [j75]Delyan Kalchev
Upscaling of Mixed Finite Element Discretization Problems by the Spectral AMGe Method. SIAM J. Sci. Comput. 38(5) (2016) - [c10]Osni Marques, Alex Druinsky, Xiaoye S. Li, Andrew T. Barker
Tuning the Coarse Space Construction in a Spectral AMG Solver. ICCS 2016: 212-221 - 2015
- [c9]Alex Druinsky, Pieter Ghysels, Xiaoye S. Li, Osni Marques, Samuel Williams
Comparative Performance Analysis of Coarse Solvers for Algebraic Multigrid on Multicore and Manycore Architectures. PPAM (1) 2015: 116-127 - 2014
- [j74]Ilya Lashuk, Panayot S. Vassilevski:
The Construction of the Coarse de Rham Complexes with Improved Approximation Properties. Comput. Methods Appl. Math. 14(2): 257-303 (2014) - [j73]Panayot S. Vassilevski, Ulrike Meier Yang
Reducing communication in algebraic multigrid using additive variants. Numer. Linear Algebra Appl. 21(2): 275-296 (2014) - [j72]Panayot S. Vassilevski, Ludmil T. Zikatanov
Commuting projections on graphs. Numer. Linear Algebra Appl. 21(3): 297-315 (2014) - [j71]Panayot S. Vassilevski, Umberto Villa
A Mixed Formulation for the Brinkman Problem. SIAM J. Numer. Anal. 52(1): 258-281 (2014) - [j70]James H. Adler
Error Analysis for Constrained First-Order System Least-Squares Finite-Element Methods. SIAM J. Sci. Comput. 36(3) (2014) - [j69]Blanca Ayuso de Dios
A Combined Preconditioning Strategy for Nonsymmetric Systems. SIAM J. Sci. Comput. 36(6) (2014) - 2013
- [j68]Pasqua D'Ambra
Adaptive AMG with coarsening based on compatible weighted matching. Comput. Vis. Sci. 16(2): 59-76 (2013) - [j67]Xiaozhe Hu, Panayot S. Vassilevski, Jinchao Xu:
Comparative Convergence Analysis of Nonlinear AMLI-Cycle Multigrid. SIAM J. Numer. Anal. 51(2): 1349-1369 (2013) - [j66]Verena Kuhlemann, Panayot S. Vassilevski:
Improving the Communication Pattern in Matrix-Vector Operations for Large Scale-Free Graphs by Disaggregation. SIAM J. Sci. Comput. 35(5) (2013) - [j65]Panayot S. Vassilevski, Umberto Villa
A Block-Diagonal Algebraic Multigrid Preconditioner for the Brinkman Problem. SIAM J. Sci. Comput. 35(5) (2013) - [j64]Delyan Kalchev
Two-Level Adaptive Algebraic Multigrid for a Sequence of Problems with Slowly Varying Random Coefficients. SIAM J. Sci. Comput. 35(6) (2013) - 2012
- [j63]Tzanio V. Kolev
Regular Decompositions for H(div) Spaces. Comput. Methods Appl. Math. 12(4): 437-447 (2012) - [j62]Johannes Kraus, Panayot S. Vassilevski, Ludmil T. Zikatanov
Polynomial of Best Uniform Approximation to 1/x and Smoothing in Two-level Methods. Comput. Methods Appl. Math. 12(4): 448-468 (2012) - [j61]Ilya Lashuk, Panayot S. Vassilevski:
Element agglomeration coarse Raviart-Thomas spaces with improved approximation properties. Numer. Linear Algebra Appl. 19(2): 414-426 (2012) - [j60]Marian Brezina, Petr Vanek, Panayot S. Vassilevski:
An improved convergence analysis of smoothed aggregation algebraic multigrid. Numer. Linear Algebra Appl. 19(3): 441-469 (2012) - [j59]Robert Scheichl
Multilevel Methods for Elliptic Problems with Highly Varying Coefficients on Nonaligned Coarse Grids. SIAM J. Numer. Anal. 50(3): 1675-1694 (2012) - [j58]Tzanio V. Kolev
Parallel Auxiliary Space AMG Solver for H(div) Problems. SIAM J. Sci. Comput. 34(6) (2012) - 2011
- [j57]Panayot S. Vassilevski:
Coarse Spaces by Algebraic Multigrid: Multigrid convergence and Upscaling Error Estimates. Adv. Data Sci. Adapt. Anal. 3(1-2): 229-249 (2011) - [j56]Robert Scheichl
Weak Approximation Properties of Elliptic Projections with Functional Constraints. Multiscale Model. Simul. 9(4): 1677-1699 (2011) - [c8]Marian Brezina, Panayot S. Vassilevski:
Smoothed Aggregation Spectral Element Agglomeration AMG: SA-ρAMGe. LSSC 2011: 3-15 - 2010
- [j55]Ming Gu, Xiaoye S. Li, Panayot S. Vassilevski:
Direction-Preserving and Schur-Monotonic Semiseparable Approximations of Symmetric Positive Definite Matrices. SIAM J. Matrix Anal. Appl. 31(5): 2650-2664 (2010) - [j54]Panayot S. Vassilevski:
General Constrained Energy Minimization Interpolation Mappings for AMG. SIAM J. Sci. Comput. 32(1): 1-13 (2010)
2000 – 2009
- 2008
- [j53]Marian Brezina, Thomas A. Manteuffel, Stephen F. McCormick, John W. Ruge, Geoffrey Sanders, Panayot S. Vassilevski:
A generalized eigensolver based on smoothed aggregation (GES-SA) for initializing smoothed aggregation (SA) multigrid. Numer. Linear Algebra Appl. 15(2-3): 249-269 (2008) - [j52]Panayot S. Vassilevski, Ludmil T. Zikatanov
Advanced multigrid methods for systems of PDEs. Numer. Linear Algebra Appl. 15(5): 393 (2008) - [j51]Tzanio V. Kolev
H(curl) auxiliary mesh preconditioning. Numer. Linear Algebra Appl. 15(5): 455-471 (2008) - [j50]Yvan Notay, Panayot S. Vassilevski:
Recursive Krylov-based multigrid cycles. Numer. Linear Algebra Appl. 15(5): 473-487 (2008) - [j49]Ilya Lashuk, Panayot S. Vassilevski:
On some versions of the element agglomeration AMGe method. Numer. Linear Algebra Appl. 15(7): 595-620 (2008) - [j48]Joseph E. Pasciak, Panayot S. Vassilevski:
Exact de Rham Sequences of Spaces Defined on Macro-Elements in Two and Three Spatial Dimensions. SIAM J. Sci. Comput. 30(5): 2427-2446 (2008) - 2006
- [j47]Taejong Kim, Joseph E. Pasciak, Panayot S. Vassilevski:
Mesh-independent convergence of the modified inexact Newton method for a second order non-linear problem. Numer. Linear Algebra Appl. 13(1): 23-47 (2006) - [j46]Veselin Dobrev
Two-level preconditioning of discontinuous Galerkin approximations of second-order elliptic equations. Numer. Linear Algebra Appl. 13(9): 753-770 (2006) - [j45]Tzanio V. Kolev
AMG by element agglomeration and constrained energy minimization interpolation. Numer. Linear Algebra Appl. 13(9): 771-788 (2006) - [j44]Panayot S. Vassilevski, Ludmil T. Zikatanov
Multiple Vector Preserving Interpolation Mappings in Algebraic Multigrid. SIAM J. Matrix Anal. Appl. 27(4): 1040-1055 (2006) - [j43]Panayot S. Vassilevski:
2004 Copper Mountain Conference. SIAM J. Sci. Comput. 27(5) (2006) - [j42]Michael Griebel, Daniel Oeltz, Panayot S. Vassilevski:
Space-Time Approximation with Sparse Grids. SIAM J. Sci. Comput. 28(2): 701-727 (2006) - 2005
- [j41]Panayot S. Vassilevski:
Special Issue of NLA On the occasion of the 70th birthday of Owe Axelsson. Numer. Linear Algebra Appl. 12(5-6): 391-392 (2005) - [j40]Robert D. Falgout
On two-grid convergence estimates. Numer. Linear Algebra Appl. 12(5-6): 471-494 (2005) - 2004
- [j39]Ana H. Iontcheva, Panayot S. Vassilevski:
Monotone multigrid methods based on element agglomeration coarsening away from the contact boundary for the Signorini's problem. Numer. Linear Algebra Appl. 11(2-3): 189-204 (2004) - [j38]Robert D. Falgout
On Generalizing the Algebraic Multigrid Framework. SIAM J. Numer. Anal. 42(4): 1669-1693 (2004) - 2003
- [j37]Panayot S. Vassilevski:
On the occasion of the 60th birthday of Raytcho Lazarov. Numer. Linear Algebra Appl. 10(1-2): 1 (2003) - [j36]Edmond Chow, Panayot S. Vassilevski:
Multilevel block factorizations in generalized hierarchical bases. Numer. Linear Algebra Appl. 10(1-2): 105-127 (2003) - [j35]Raytcho D. Lazarov
Almost optimal interior penalty discontinuous approximations of symmetric elliptic problems on non-matching grids. Numerische Mathematik 96(2): 295-315 (2003) - [j34]Tim Chartier, Robert D. Falgout
Spectral AMGe (ρAMGe). SIAM J. Sci. Comput. 25(1): 1-26 (2003) - [j33]Peter N. Brown, Panayot S. Vassilevski, Carol S. Woodward
On Mesh-Independent Convergence of an Inexact Newton-Multigrid Algorithm. SIAM J. Sci. Comput. 25(2): 570-590 (2003) - 2002
- [j32]Panayot S. Vassilevski:
Sparse matrix element topology with application to AMG(e) and preconditioning. Numer. Linear Algebra Appl. 9(6-7): 429-444 (2002) - 2001
- [j31]Raytcho D. Lazarov
Iterative solution of a coupled mixed and standard Galerkin discretization method for elliptic problems. Numer. Linear Algebra Appl. 8(1): 13-31 (2001) - [j30]Panayot S. Vassilevski, Carol S. Woodward
Special issue on 'Solution Methods for Large-Scale Non-linear Problems'. Numer. Linear Algebra Appl. 8(8): 497 (2001) - [j29]Chisup Kim, Raytcho D. Lazarov
Multiplier Spaces for the Mortar Finite Element Method in Three Dimensions. SIAM J. Numer. Anal. 39(2): 519-538 (2001) - [j28]Jim E. Jones
AMGE Based on Element Agglomeration. SIAM J. Sci. Comput. 23(1): 109-133 (2001) - [j27]Van Emden Henson, Panayot S. Vassilevski:
Element-Free AMGe: General Algorithms for Computing Interpolation Weights in AMG. SIAM J. Sci. Comput. 23(2): 629-650 (2001) - 2000
- [j26]James H. Bramble, Joseph E. Pasciak, Panayot S. Vassilevski:
Computational scales of Sobolev norms with application to preconditioning. Math. Comput. 69(230): 463-480 (2000) - [c7]Veselin Dobrev
Local Refinement in Non-overlapping Domain Decomposition. NAA 2000: 253-264
1990 – 1999
- 1999
- [j25]So-Hsiang Chou, Panayot S. Vassilevski:
A general mixed covolume framework for constructing conservative schemes for elliptic problems. Math. Comput. 68(227): 991-1011 (1999) - [j24]So-Hsiang Chou, Do Y. Kwak, Panayot S. Vassilevski:
Mixed Upwinding Covolume Methods on Rectangular Grids for Convection-Diffusion Problems. SIAM J. Sci. Comput. 21(1): 145-165 (1999) - [c6]Raytcho D. Lazarov, Joseph E. Pasciak, Panayot S. Vassilevski:
Mixed Finite Element Methods for Elliptic Problems on Non-Matching Grids. LSSC 1999: 25-35 - [c5]Volker John, Gunar Matthies, Teodora Mitkova, Lutz Tobiska, Panayot S. Vassilevski:
A Comparison of Three Solvers for the Incompressible Navier-Stokes Equations. LSSC 1999: 215-222 - 1998
- [j23]Torgeir Rusten, Panayot S. Vassilevski, Ragnar Winther:
Domain embedding preconditioners for mixed systems. Numer. Linear Algebra Appl. 5(5): 321-345 (1998) - [j22]Maya G. Neytcheva, Panayot S. Vassilevski:
Preconditioning of Indefinite and Almost Singular Finite Element Elliptic Equations. SIAM J. Sci. Comput. 19(5): 1471-1485 (1998) - [j21]Panayot S. Vassilevski, Junping Wang:
Stabilizing the Hierarchical Basis by Approximate Wavelets II: Implementation and Numerical Results. SIAM J. Sci. Comput. 20(2): 490-514 (1998) - 1997
- [j20]Panayot S. Vassilevski, Junping Wang:
Stabilizing the Hierarchical Basis by Approximate Wavelets, I: Theory. Numer. Linear Algebra Appl. 4(2): 103-126 (1997) - [j19]Panayot S. Vassilevski:
On Two Ways of Stabilizing the Hierarchical Basis Multilevel Methods. SIAM Rev. 39(1): 18-53 (1997) - [j18]Tony F. Chan
Performance of Block-ILU Factorization Preconditioners Based on Block-Size Reduction for 2D Elasticity Systems. SIAM J. Sci. Comput. 18(5): 1355-1366 (1997) - [c4]Einar Haug, Torgeir Rusten, Panayot S. Vassilevski, Ragnar Winther:
Domain Embedding and the Dirichlet Problem. LSSC 1997: 66-77 - [c3]Svetozar Margenov, Panayot S. Vassilevski:
Algebraic Two-Level Preconditioning of Non-Conforming FEM Systems. LSSC 1997: 239-250 - [e1]Michael Griebel, Oleg P. Iliev, Svetozar Margenov, Panayot S. Vassilevski:
Large-Scale Scientific Computation for Engineering and Environmental Problems, LSSC'97, Varna, Bulgaria, 7-11 June 1997. Notes on Numerical Fluid Mechanics 62, Vieweg 1997 [contents] - 1996
- [j17]Torgeir Rusten, Panayot S. Vassilevski, Ragnar Winther:
Interior penalty preconditioners for mixed finite element approximations of elliptic problems. Math. Comput. 65(214): 447-466 (1996) - [j16]Panayot S. Vassilevski, Raytcho D. Lazarov:
Preconditioning Mixed Finite Element Saddle-point Elliptic Problems. Numer. Linear Algebra Appl. 3(1): 1-20 (1996) - [c2]Svetozara Petrova, Panayot S. Vassilevski:
A Variational Parameters-to-Estimate-Free Nonlinear Solver. WNAA 1996: 396-405 - 1995
- [j15]Wlodzimierz Proskurowski, Panayot S. Vassilevski:
Preconditioning Nonsymmetric and Indefinite Capacitance Matrix Problems in Domain Imbedding. SIAM J. Sci. Comput. 16(2): 414-430 (1995) - [j14]Graham F. Carey, Atanas I. Pehlivanov, Panayot S. Vassilevski:
Least-Squares Mixed Finite Element Methods for Non-Selfadjoint Elliptic Problems: II. Performance of Block-ILU Factorization Methods. SIAM J. Sci. Comput. 16(5): 1126-1136 (1995) - 1994
- [j13]R. D. Lararov, I. D. Mishev, Panayot S. Vassilevski:
Finite volume methods with local refinement for convection-diffusion problems. Computing 53(1): 33-57 (1994) - [j12]Ivan Lirkov
Circulant block-factorization preconditioners for elliptic problems. Computing 53(1): 59-74 (1994) - [j11]Owe Axelsson
Variable-step multilevel preconditioning methods, I: Self-adjoint and positive definite elliptic problems. Numer. Linear Algebra Appl. 1(1): 75-101 (1994) - [j10]Richard E. Ewing, Raytcho D. Lazarov
Local refinement techniques for elliptic problems on cell-centered grids; II. Optimal order two-grid iterative methods. Numer. Linear Algebra Appl. 1(4): 337-368 (1994) - [j9]Wlodek Proskurowski, Panayot S. Vassilevski:
Preconditioning Capacitance Matrix Problems in Domain Imbedding. SIAM J. Sci. Comput. 15(1): 77-88 (1994) - [j8]Richard E. Ewing, Svetozara I. Petrova, Panayot S. Vassilevski:
Two-Level Local Refinement Preconditioners for Nonsymmetric and Indefinite Elliptic Problems. SIAM J. Sci. Comput. 15(1): 149-163 (1994) - [j7]Svetozar Margenov, Panayot S. Vassilevski:
Algebraic Multilevel Preconditioning of Anisotropic Elliptic Problems. SIAM J. Sci. Comput. 15(5): 1026-1037 (1994) - 1992
- [j6]Panayot S. Vassilevski, Maya H. Etova:
Computation of Constants in the Strengthened Cauchy Inequality for Elliptic Bilinear Forms with Anisotropy. SIAM J. Sci. Comput. 13(3): 655-665 (1992) - [j5]Panayot S. Vassilevski, Svetozara I. Petrova, Raytcho D. Lazarov:
Finite Difference Schemes on Triangular Cell-Centered Grids with Local Refinement. SIAM J. Sci. Comput. 13(6): 1287-1313 (1992) - 1991
- [j4]Victor Eijkhout, Panayot S. Vassilevski:
The Role of the Strengthened Cauchy-Buniakowskii-Schwarz Inequality in Multilevel Methods. SIAM Rev. 33(3): 405-419 (1991) - 1990
- [j3]Panayot S. Vassilevski:
On some ways of approximating inverses of banded matrices in connection with deriving preconditioners based on incomplete block factorizations. Computing 43(3): 277-296 (1990) - [j2]Richard E. Ewing, Raytcho D. Lazarov
Finite difference schemes on grids with local refinement in time and space for parabolic problems I. Derivation, stability, and error analysis. Computing 45(3): 193-215 (1990)
1980 – 1989
- 1989
- [j1]Victor Eijkhout, Panayot S. Vassilevski:
Positive definiteness aspects of vectorizable preconditioners. Parallel Comput. 10(1): 93-100 (1989) - 1987
- [c1]Raytcho D. Lazarov
Solving Elliptic Problems by the Domain Decomposition Method Using Proconditioning Matrices Derived by Multilevel Splitting of the Finite Element Matrix. ICS 1987: 826-835
Coauthor Index
Delyan Kalchev
aka: Delyan Z. Kalchev
aka: Delyan Z. Kalchev
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last updated on 2024-09-13 00:41 CEST by the dblp team
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