Panayot S. Vassilevski

133 papers A 1Misc 1Journal 122Unranked 8

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	Characterization of the near-null error components utilized in composite adaptive AMG solvers. CoRR Austen J. Nelson, Panayot S. Vassilevski
2025	J	`jnl`	Editorial. Numer. Linear Algebra Appl. Panayot S. Vassilevski, Maya G. Neytcheva
2024	J	`jnl`	Matrix-Free High-Performance Saddle-Point Solvers for High-Order Problems in \(\boldsymbol{H}(\operatorname{\textbf{div}})\). SIAM J. Sci. Comput. Will Pazner, Tzanio V. Kolev, Panayot S. Vassilevski
2024	J	`jnl`	Multilevel well modeling in aggregation-based nonlinear multigrid for multiphase flow in porous media. J. Comput. Phys. Chak Shing Lee, François P. Hamon, Nicola Castelletto, Panayot S. Vassilevski, Joshua A. White
2024	J	`jnl`	Scalable Multilevel Monte Carlo Methods Exploiting Parallel Redistribution on Coarse Levels. CoRR Hillary R. Fairbanks, Delyan Z. Kalchev, Chak Shing Lee, Panayot S. Vassilevski
2023	J	`jnl`	Extending bootstrap AMG for clustering of attributed graphs. Appl. Math. Comput. Pasqua D'Ambra, Panayot S. Vassilevski, Luisa Cutillo
2023	J	`jnl`	Matrix-free GPU-accelerated saddle-point solvers for high-order problems in H(div). CoRR Will Pazner, Tzanio V. Kolev, Panayot S. Vassilevski
2023	J	`jnl`	Multilevel well modeling in aggregation-based nonlinear multigrid for multiphase flow in porous media. CoRR Chak Shing Lee, François P. Hamon, Nicola Castelletto, Panayot S. Vassilevski, Joshua A. White
2023	J	`jnl`	Multilevel-in-width training for deep neural network regression. Numer. Linear Algebra Appl. Colin Ponce, Ruipeng Li, Christina Mao, Panayot S. Vassilevski
2023	J	`jnl`	Parallel Element-Based Algebraic Multigrid for \(\boldsymbol{H}\) (curl) and \(\boldsymbol{H}\) (div) Problems Using the ParELAG Library. SIAM J. Sci. Comput. Delyan Z. Kalchev, Panayot S. Vassilevski, Umberto Villa
2022	J	`jnl`	An aggregation-based nonlinear multigrid solver for two-phase flow and transport in porous media. Comput. Math. Appl. Chak Shing Lee, François P. Hamon, Nicola Castelletto, Panayot S. Vassilevski, Joshua A. White
2022	J	`jnl`	Multilevel-in-Layer Training for Deep Neural Network Regression. CoRR Colin Ponce, Ruipeng Li, Christina Mao, Panayot S. Vassilevski
2021	J	`jnl`	An Aggregation-based Nonlinear Multigrid Solver for Two-phase Flow and Transport in Porous Media. CoRR Chak Shing Lee, François P. Hamon, Nicola Castelletto, Panayot S. Vassilevski, Joshua A. White
2021	J	`jnl`	Estimating posterior quantity of interest expectations in a multilevel scalable framework. Numer. Linear Algebra Appl. Hillary R. Fairbanks, Sarah Osborn, Panayot S. Vassilevski
2021	J	`jnl`	Multilevel Hierarchical Decomposition of Finite Element White Noise with Application to Multilevel Markov Chain Monte Carlo. SIAM J. Sci. Comput. Hillary R. Fairbanks, Umberto Villa, Panayot S. Vassilevski
2021	J	`jnl`	Multilevel Spectral Coarsening for Graph Laplacian Problems with Application to Reservoir Simulation. SIAM J. Sci. Comput. Andrew T. Barker, Stephan V. Gelever, Chak Shing Lee, Sarah V. Osborn, Panayot S. Vassilevski
2021	J	`jnl`	Multilevel graph embedding. Numer. Linear Algebra Appl. Benjamin Quiring, Panayot S. Vassilevski
2021	J	`jnl`	Network Clustering by Embedding of Attribute-augmented Graphs. CoRR Pasqua D'Ambra, Clara De Santis, Panayot S. Vassilevski, Luisa Cutillo
2021	J	`jnl`	Numerical results for adaptive (negative norm) constrained first order system least squares formulations. Comput. Math. Appl. Andreas Schafelner, Panayot S. Vassilevski
2021	J	`jnl`	Parallel Element-based Algebraic Multigrid for H(curl) and H(div) Problems Using the ParELAG Library. CoRR Delyan Z. Kalchev, Panayot S. Vassilevski, Umberto Villa
2020	J	`jnl`	A Condensed Constrained Nonconforming Mortar-Based Approach for Preconditioning Finite Element Discretization Problems. SIAM J. Sci. Comput. Delyan Z. Kalchev, Panayot S. Vassilevski
2020	J	`jnl`	Auxiliary Space Preconditioning of Finite Element Equations Using a Nonconforming Interior Penalty Reformulation and Static Condensation. SIAM J. Sci. Comput. Delyan Z. Kalchev, Panayot S. Vassilevski
2020	J	`jnl`	Eigenvalue Problems for Exponential-Type Kernels. Comput. Methods Appl. Math. Difeng Cai, Panayot S. Vassilevski
2020	J	`jnl`	Multilevel Hierarchical Decomposition of Finite Element White Noise with Application to Multilevel Markov Chain Monte Carlo. CoRR Hillary R. Fairbanks, Umberto Villa, Panayot S. Vassilevski
2020	J	`jnl`	Multilevel spectral coarsening for graph Laplacian problems with application to reservoir simulation. CoRR Andrew T. Barker, Stephan V. Gelever, Chak Shing Lee, Sarah V. Osborn, Panayot S. Vassilevski
2020	J	`jnl`	Nonlinear multigrid based on local spectral coarsening for heterogeneous diffusion problems. CoRR Chak Shing Lee, François P. Hamon, Nicola Castelletto, Panayot S. Vassilevski, Joshua A. White
2019	J	`jnl`	A Condensed Constrained Nonconforming Mortar-based Approach for Preconditioning Finite Element Discretization Problems. CoRR Delyan Z. Kalchev, Panayot S. Vassilevski
2019	J	`jnl`	Algebraic Hybridization and Static Condensation with Application to Scalable H(div) Preconditioning. SIAM J. Sci. Comput. Veselin Dobrev, Tzanio V. Kolev, Chak Shing Lee, Vladimir Z. Tomov, Panayot S. Vassilevski
2019	J	`jnl`	Auxiliary Space Preconditioning of Finite Element Equations Using a Nonconforming Interior Penalty Reformulation and Static Condensation. CoRR Delyan Z. Kalchev, Panayot S. Vassilevski
2019	J	`jnl`	Bootstrap AMG for spectral clustering. Comput. Math. Methods Pasqua D'Ambra, Luisa Cutillo, Panayot S. Vassilevski
2019	J	`jnl`	DNN Approximation of Nonlinear Finite Element Equations. CoRR Tuyen Tran, Aidan Hamilton, Maricela Best McKay, Benjamin Quiring, Panayot S. Vassilevski
2019	J	`jnl`	Improving Solve Time of aggregation-based adaptive AMG. CoRR Pasqua D'Ambra, Panayot S. Vassilevski
2019	J	`jnl`	Improving solve time of aggregation-based adaptive AMG. Numer. Linear Algebra Appl. Pasqua D'Ambra, Panayot S. Vassilevski
2019	J	`jnl`	Modifying AMG Coarse Spaces with Weak Approximation Property to Exhibit Approximation in Energy Norm. SIAM J. Matrix Anal. Appl. Xiaozhe Hu, Panayot S. Vassilevski
2019	J	`jnl`	Modifying AMG coarse spaces with weak approximation property to exhibit approximation in energy norm. CoRR Xiaozhe Hu, Panayot S. Vassilevski
2018	J	`jnl`	A Nonlinear Algebraic Multigrid Framework for the Power Flow Equations. SIAM J. Sci. Comput. Colin Ponce, David Bindel, Panayot S. Vassilevski
2018	J	`jnl`	BootCMatch: A Software Package for Bootstrap AMG Based on Graph Weighted Matching. ACM Trans. Math. Softw. Pasqua D'Ambra, Salvatore Filippone, Panayot S. Vassilevski
2018	J	`jnl`	Nonlinear multigrid solvers exploiting AMGe coarse spaces with approximation properties. J. Comput. Appl. Math. Max la Cour Christensen, Panayot S. Vassilevski, Umberto Villa
2018	J	`jnl`	Scalable hierarchical PDE sampler for generating spatially correlated random fields using nonmatching meshes. Numer. Linear Algebra Appl. Sarah Osborn, Patrick Zulian, Thomas Benson, Umberto Villa, Rolf Krause, Panayot S. Vassilevski
2018	J	`jnl`	Space-time discretizations using constrained first-order system least squares (CFOSLS). J. Comput. Phys. Kirill Voronin, Chak Shing Lee, Martin Neumüller, Paulina Sepúlveda, Panayot S. Vassilevski
2018	J	`jnl`	The Auxiliary Space Preconditioner for the de Rham Complex. SIAM J. Numer. Anal. Jay Gopalakrishnan, Martin Neumüller, Panayot S. Vassilevski
2017	J	`jnl`	A Multilevel, Hierarchical Sampling Technique for Spatially Correlated Random Fields. SIAM J. Sci. Comput. Sarah Osborn, Panayot S. Vassilevski, Umberto Villa
2017	J	`jnl`	Arbitrary dimension convection-diffusion schemes for space-time discretizations. J. Comput. Appl. Math. Randolph E. Bank, Panayot S. Vassilevski, Ludmil T. Zikatanov
2017	J	`jnl`	Numerical Multilevel Upscaling for Incompressible Flow in Reservoir Simulation: An Element-Based Algebraic Multigrid (AMGe) Approach. SIAM J. Sci. Comput. Max la Cour Christensen, Umberto Villa, Allan Peter Engsig-Karup, Panayot S. Vassilevski
2017	J	`jnl`	Solving Graph Laplacian Systems Through Recursive Partitioning and Two-Grid Preconditioning. SIAM J. Matrix Anal. Appl. Colin Ponce, Panayot S. Vassilevski
2017	J	`jnl`	Spectral Upscaling for Graph Laplacian Problems with Application to Reservoir Simulation. SIAM J. Sci. Comput. Andrew T. Barker, Chak Shing Lee, Panayot S. Vassilevski
2016	J	`jnl`	A two-grid SA-AMG convergence bound that improves when increasing the polynomial degree. Numer. Linear Algebra Appl. Xiaozhe Hu, Panayot S. Vassilevski, Jinchao Xu
2016	Misc	`conf`	Tuning the Coarse Space Construction in a Spectral AMG Solver. ICCS Osni Marques, Alex Druinsky, Xiaoye S. Li, Andrew T. Barker, Panayot S. Vassilevski, Delyan Kalchev
2016	J	`jnl`	Upscaling of Mixed Finite Element Discretization Problems by the Spectral AMGe Method. SIAM J. Sci. Comput. Delyan Kalchev, Chak Shing Lee, Umberto Villa, Yalchin Efendiev, Panayot S. Vassilevski
2015	—	`conf`	Comparative Performance Analysis of Coarse Solvers for Algebraic Multigrid on Multicore and Manycore Architectures. PPAM (1) Alex Druinsky, Pieter Ghysels, Xiaoye S. Li, Osni Marques, Samuel Williams, Andrew T. Barker, Delyan Kalchev, Panayot S. Vassilevski
2014	J	`jnl`	A Combined Preconditioning Strategy for Nonsymmetric Systems. SIAM J. Sci. Comput. Blanca Ayuso de Dios, Andrew T. Barker, Panayot S. Vassilevski
2014	J	`jnl`	A Mixed Formulation for the Brinkman Problem. SIAM J. Numer. Anal. Panayot S. Vassilevski, Umberto Villa
2014	J	`jnl`	Commuting projections on graphs. Numer. Linear Algebra Appl. Panayot S. Vassilevski, Ludmil T. Zikatanov
2014	J	`jnl`	Error Analysis for Constrained First-Order System Least-Squares Finite-Element Methods. SIAM J. Sci. Comput. James H. Adler, Panayot S. Vassilevski
2014	J	`jnl`	Reducing communication in algebraic multigrid using additive variants. Numer. Linear Algebra Appl. Panayot S. Vassilevski, Ulrike Meier Yang
2014	J	`jnl`	The Construction of the Coarse de Rham Complexes with Improved Approximation Properties. Comput. Methods Appl. Math. Ilya Lashuk, Panayot S. Vassilevski
2013	J	`jnl`	A Block-Diagonal Algebraic Multigrid Preconditioner for the Brinkman Problem. SIAM J. Sci. Comput. Panayot S. Vassilevski, Umberto Villa
2013	J	`jnl`	Adaptive AMG with coarsening based on compatible weighted matching. Comput. Vis. Sci. Pasqua D'Ambra, Panayot S. Vassilevski
2013	J	`jnl`	Comparative Convergence Analysis of Nonlinear AMLI-Cycle Multigrid. SIAM J. Numer. Anal. Xiaozhe Hu, Panayot S. Vassilevski, Jinchao Xu
2013	J	`jnl`	Improving the Communication Pattern in Matrix-Vector Operations for Large Scale-Free Graphs by Disaggregation. SIAM J. Sci. Comput. Verena Kuhlemann, Panayot S. Vassilevski
2013	J	`jnl`	Two-Level Adaptive Algebraic Multigrid for a Sequence of Problems with Slowly Varying Random Coefficients. SIAM J. Sci. Comput. Delyan Kalchev, Christian Ketelsen, Panayot S. Vassilevski
2012	J	`jnl`	An improved convergence analysis of smoothed aggregation algebraic multigrid. Numer. Linear Algebra Appl. Marian Brezina, Petr Vanek, Panayot S. Vassilevski
2012	J	`jnl`	Element agglomeration coarse Raviart-Thomas spaces with improved approximation properties. Numer. Linear Algebra Appl. Ilya Lashuk, Panayot S. Vassilevski
2012	J	`jnl`	Multilevel Methods for Elliptic Problems with Highly Varying Coefficients on Nonaligned Coarse Grids. SIAM J. Numer. Anal. Robert Scheichl, Panayot S. Vassilevski, Ludmil T. Zikatanov
2012	J	`jnl`	Parallel Auxiliary Space AMG Solver for H(div) Problems. SIAM J. Sci. Comput. Tzanio V. Kolev, Panayot S. Vassilevski
2012	J	`jnl`	Polynomial of Best Uniform Approximation to 1/x and Smoothing in Two-level Methods. Comput. Methods Appl. Math. Johannes Kraus, Panayot S. Vassilevski, Ludmil T. Zikatanov
2012	J	`jnl`	Regular Decompositions for H(div) Spaces. Comput. Methods Appl. Math. Tzanio V. Kolev, Panayot S. Vassilevski
2011	J	`jnl`	Coarse Spaces by Algebraic Multigrid: Multigrid convergence and Upscaling Error Estimates. Adv. Data Sci. Adapt. Anal. Panayot S. Vassilevski
2011	—	`conf`	Smoothed Aggregation Spectral Element Agglomeration AMG: SA-ρAMGe. LSSC Marian Brezina, Panayot S. Vassilevski
2011	J	`jnl`	Weak Approximation Properties of Elliptic Projections with Functional Constraints. Multiscale Model. Simul. Robert Scheichl, Panayot S. Vassilevski, Ludmil T. Zikatanov
2010	J	`jnl`	Direction-Preserving and Schur-Monotonic Semiseparable Approximations of Symmetric Positive Definite Matrices. SIAM J. Matrix Anal. Appl. Ming Gu, Xiaoye S. Li, Panayot S. Vassilevski
2010	J	`jnl`	General Constrained Energy Minimization Interpolation Mappings for AMG. SIAM J. Sci. Comput. Panayot S. Vassilevski
2008	J	`jnl`	A generalized eigensolver based on smoothed aggregation (GES-SA) for initializing smoothed aggregation (SA) multigrid. Numer. Linear Algebra Appl. Marian Brezina, Thomas A. Manteuffel, Stephen F. McCormick, John W. Ruge, Geoffrey Sanders, Panayot S. Vassilevski
2008	J	`jnl`	Advanced multigrid methods for systems of PDEs. Numer. Linear Algebra Appl. Panayot S. Vassilevski, Ludmil T. Zikatanov
2008	J	`jnl`	Exact de Rham Sequences of Spaces Defined on Macro-Elements in Two and Three Spatial Dimensions. SIAM J. Sci. Comput. Joseph E. Pasciak, Panayot S. Vassilevski
2008	J	`jnl`	H(curl) auxiliary mesh preconditioning. Numer. Linear Algebra Appl. Tzanio V. Kolev, Joseph E. Pasciak, Panayot S. Vassilevski
2008	J	`jnl`	On some versions of the element agglomeration AMGe method. Numer. Linear Algebra Appl. Ilya Lashuk, Panayot S. Vassilevski
2008	J	`jnl`	Recursive Krylov-based multigrid cycles. Numer. Linear Algebra Appl. Yvan Notay, Panayot S. Vassilevski
2006	J	`jnl`	2004 Copper Mountain Conference. SIAM J. Sci. Comput. Panayot S. Vassilevski
2006	J	`jnl`	AMG by element agglomeration and constrained energy minimization interpolation. Numer. Linear Algebra Appl. Tzanio V. Kolev, Panayot S. Vassilevski
2006	J	`jnl`	Mesh-independent convergence of the modified inexact Newton method for a second order non-linear problem. Numer. Linear Algebra Appl. Taejong Kim, Joseph E. Pasciak, Panayot S. Vassilevski
2006	J	`jnl`	Multiple Vector Preserving Interpolation Mappings in Algebraic Multigrid. SIAM J. Matrix Anal. Appl. Panayot S. Vassilevski, Ludmil T. Zikatanov
2006	J	`jnl`	Space-Time Approximation with Sparse Grids. SIAM J. Sci. Comput. Michael Griebel, Daniel Oeltz, Panayot S. Vassilevski
2006	J	`jnl`	Two-level preconditioning of discontinuous Galerkin approximations of second-order elliptic equations. Numer. Linear Algebra Appl. Veselin Dobrev, Raytcho D. Lazarov, Panayot S. Vassilevski, Ludmil T. Zikatanov
2005	J	`jnl`	On two-grid convergence estimates. Numer. Linear Algebra Appl. Robert D. Falgout, Panayot S. Vassilevski, Ludmil T. Zikatanov
2005	J	`jnl`	Special Issue of NLA On the occasion of the 70th birthday of Owe Axelsson. Numer. Linear Algebra Appl. Panayot S. Vassilevski
2004	J	`jnl`	Monotone multigrid methods based on element agglomeration coarsening away from the contact boundary for the Signorini's problem. Numer. Linear Algebra Appl. Ana H. Iontcheva, Panayot S. Vassilevski
2004	J	`jnl`	On Generalizing the Algebraic Multigrid Framework. SIAM J. Numer. Anal. Robert D. Falgout, Panayot S. Vassilevski
2003	J	`jnl`	Almost optimal interior penalty discontinuous approximations of symmetric elliptic problems on non-matching grids. Numerische Mathematik Raytcho D. Lazarov, Joseph E. Pasciak, Joachim Schöberl, Panayot S. Vassilevski
2003	J	`jnl`	Multilevel block factorizations in generalized hierarchical bases. Numer. Linear Algebra Appl. Edmond Chow, Panayot S. Vassilevski
2003	J	`jnl`	On Mesh-Independent Convergence of an Inexact Newton-Multigrid Algorithm. SIAM J. Sci. Comput. Peter N. Brown, Panayot S. Vassilevski, Carol S. Woodward
2003	J	`jnl`	On the occasion of the 60th birthday of Raytcho Lazarov. Numer. Linear Algebra Appl. Panayot S. Vassilevski
2003	J	`jnl`	Spectral AMGe (ρAMGe). SIAM J. Sci. Comput. Tim Chartier, Robert D. Falgout, Van Enden Henson, Jim E. Jones, Thomas A. Manteuffel, Stephen F. McCormick, John W. Ruge, Panayot S. Vassilevski
2002	J	`jnl`	Sparse matrix element topology with application to AMG(e) and preconditioning. Numer. Linear Algebra Appl. Panayot S. Vassilevski
2001	J	`jnl`	AMGE Based on Element Agglomeration. SIAM J. Sci. Comput. Jim E. Jones, Panayot S. Vassilevski
2001	J	`jnl`	Element-Free AMGe: General Algorithms for Computing Interpolation Weights in AMG. SIAM J. Sci. Comput. Van Emden Henson, Panayot S. Vassilevski
2001	J	`jnl`	Iterative solution of a coupled mixed and standard Galerkin discretization method for elliptic problems. Numer. Linear Algebra Appl. Raytcho D. Lazarov, Joseph E. Pasciak, Panayot S. Vassilevski
2001	J	`jnl`	Multiplier Spaces for the Mortar Finite Element Method in Three Dimensions. SIAM J. Numer. Anal. Chisup Kim, Raytcho D. Lazarov, Joseph E. Pasciak, Panayot S. Vassilevski
2001	J	`jnl`	Special issue on 'Solution Methods for Large-Scale Non-linear Problems'. Numer. Linear Algebra Appl. Panayot S. Vassilevski, Carol S. Woodward
2000	J	`jnl`	Computational scales of Sobolev norms with application to preconditioning. Math. Comput. James H. Bramble, Joseph E. Pasciak, Panayot S. Vassilevski
2000	—	`conf`	Local Refinement in Non-overlapping Domain Decomposition. NAA Veselin Dobrev, Panayot S. Vassilevski
1999	—	`conf`	A Comparison of Three Solvers for the Incompressible Navier-Stokes Equations. LSSC Volker John, Gunar Matthies, Teodora Mitkova, Lutz Tobiska, Panayot S. Vassilevski
1999	J	`jnl`	A general mixed covolume framework for constructing conservative schemes for elliptic problems. Math. Comput. So-Hsiang Chou, Panayot S. Vassilevski
1999	—	`conf`	Mixed Finite Element Methods for Elliptic Problems on Non-Matching Grids. LSSC Raytcho D. Lazarov, Joseph E. Pasciak, Panayot S. Vassilevski
1999	J	`jnl`	Mixed Upwinding Covolume Methods on Rectangular Grids for Convection-Diffusion Problems. SIAM J. Sci. Comput. So-Hsiang Chou, Do Y. Kwak, Panayot S. Vassilevski
1998	J	`jnl`	Domain embedding preconditioners for mixed systems. Numer. Linear Algebra Appl. Torgeir Rusten, Panayot S. Vassilevski, Ragnar Winther
1998	J	`jnl`	Preconditioning of Indefinite and Almost Singular Finite Element Elliptic Equations. SIAM J. Sci. Comput. Maya G. Neytcheva, Panayot S. Vassilevski
1998	J	`jnl`	Stabilizing the Hierarchical Basis by Approximate Wavelets II: Implementation and Numerical Results. SIAM J. Sci. Comput. Panayot S. Vassilevski, Junping Wang
1997	—	`conf`	Algebraic Two-Level Preconditioning of Non-Conforming FEM Systems. LSSC Svetozar Margenov, Panayot S. Vassilevski
1997	—	`conf`	Domain Embedding and the Dirichlet Problem. LSSC Einar Haug, Torgeir Rusten, Panayot S. Vassilevski, Ragnar Winther
1997	—	`ed.`	Large-Scale Scientific Computation for Engineering and Environmental Problems, LSSC'97, Varna, Bulgaria, 7-11 June 1997 LSSC Michael Griebel, Oleg P. Iliev, Svetozar Margenov, Panayot S. Vassilevski
1997	J	`jnl`	On Two Ways of Stabilizing the Hierarchical Basis Multilevel Methods. SIAM Rev. Panayot S. Vassilevski
1997	J	`jnl`	Performance of Block-ILU Factorization Preconditioners Based on Block-Size Reduction for 2D Elasticity Systems. SIAM J. Sci. Comput. Tony F. Chan, Svetozar Margenov, Panayot S. Vassilevski
1997	J	`jnl`	Stabilizing the Hierarchical Basis by Approximate Wavelets, I: Theory. Numer. Linear Algebra Appl. Panayot S. Vassilevski, Junping Wang
1996	—	`conf`	A Variational Parameters-to-Estimate-Free Nonlinear Solver. WNAA Svetozara Petrova, Panayot S. Vassilevski
1996	J	`jnl`	Interior penalty preconditioners for mixed finite element approximations of elliptic problems. Math. Comput. Torgeir Rusten, Panayot S. Vassilevski, Ragnar Winther
1996	J	`jnl`	Preconditioning Mixed Finite Element Saddle-point Elliptic Problems. Numer. Linear Algebra Appl. Panayot S. Vassilevski, Raytcho D. Lazarov
1995	J	`jnl`	Least-Squares Mixed Finite Element Methods for Non-Selfadjoint Elliptic Problems: II. Performance of Block-ILU Factorization Methods. SIAM J. Sci. Comput. Graham F. Carey, Atanas I. Pehlivanov, Panayot S. Vassilevski
1995	J	`jnl`	Preconditioning Nonsymmetric and Indefinite Capacitance Matrix Problems in Domain Imbedding. SIAM J. Sci. Comput. Wlodzimierz Proskurowski, Panayot S. Vassilevski
1994	J	`jnl`	Algebraic Multilevel Preconditioning of Anisotropic Elliptic Problems. SIAM J. Sci. Comput. Svetozar Margenov, Panayot S. Vassilevski
1994	J	`jnl`	Circulant block-factorization preconditioners for elliptic problems. Computing Ivan Lirkov, Svetozar Margenov, Panayot S. Vassilevski
1994	J	`jnl`	Finite volume methods with local refinement for convection-diffusion problems. Computing R. D. Lararov, I. D. Mishev, Panayot S. Vassilevski
1994	J	`jnl`	Local refinement techniques for elliptic problems on cell-centered grids; II. Optimal order two-grid iterative methods. Numer. Linear Algebra Appl. Richard E. Ewing, Raytcho D. Lazarov, Panayot S. Vassilevski
1994	J	`jnl`	Preconditioning Capacitance Matrix Problems in Domain Imbedding. SIAM J. Sci. Comput. Wlodek Proskurowski, Panayot S. Vassilevski
1994	J	`jnl`	Two-Level Local Refinement Preconditioners for Nonsymmetric and Indefinite Elliptic Problems. SIAM J. Sci. Comput. Richard E. Ewing, Svetozara I. Petrova, Panayot S. Vassilevski
1994	J	`jnl`	Variable-step multilevel preconditioning methods, I: Self-adjoint and positive definite elliptic problems. Numer. Linear Algebra Appl. Owe Axelsson, Panayot S. Vassilevski
1992	J	`jnl`	Computation of Constants in the Strengthened Cauchy Inequality for Elliptic Bilinear Forms with Anisotropy. SIAM J. Sci. Comput. Panayot S. Vassilevski, Maya H. Etova
1992	J	`jnl`	Finite Difference Schemes on Triangular Cell-Centered Grids with Local Refinement. SIAM J. Sci. Comput. Panayot S. Vassilevski, Svetozara I. Petrova, Raytcho D. Lazarov
1991	J	`jnl`	The Role of the Strengthened Cauchy-Buniakowskii-Schwarz Inequality in Multilevel Methods. SIAM Rev. Victor Eijkhout, Panayot S. Vassilevski
1990	J	`jnl`	Finite difference schemes on grids with local refinement in time and space for parabolic problems I. Derivation, stability, and error analysis. Computing Richard E. Ewing, Raytcho D. Lazarov, Panayot S. Vassilevski
1990	J	`jnl`	On some ways of approximating inverses of banded matrices in connection with deriving preconditioners based on incomplete block factorizations. Computing Panayot S. Vassilevski
1989	J	`jnl`	Positive definiteness aspects of vectorizable preconditioners. Parallel Comput. Victor Eijkhout, Panayot S. Vassilevski
1987	A	`conf`	Solving Elliptic Problems by the Domain Decomposition Method Using Proconditioning Matrices Derived by Multilevel Splitting of the Finite Element Matrix. ICS Raytcho D. Lazarov, Panayot S. Vassilevski, Svetozar Margenov