C. Popa

发表

Extensions of block-projections methods with relaxation parameters to inconsistent and rank-deficient least-squares problems

C. Popa, 1998 .

Block-Projections Algorithms with Blocks Containing Mutually Orthogonal Rows and Columns

C. Popa, 1999 .

A fast Kaczmarz-Kovarik algorithm for consistent least-squares problems

C. Popa, 2001 .

A Kaczmarz-Kovarik algorithm for symmetric ill-conditioned matrices.

C. Popa, 2004 .

On Kaczmarz’s projection iteration as a direct solver for linear least squares problems

C. Popa, T. Preclik, H. Köstler, 2012 .

Characterization of the solutions set of least-squares problems by an extension of Kaczmarz's projec

C. Popa, 1997 .

Characterization of the solutions set of inconsistent least-squares problems by an extended Kaczmarz algorithm

C. Popa, 1999 .

The augmented Block Cimmino algorithm revisited

C. Popa, D. Ruiz, A. Dumitracsc, 2018, 1805.11487.

An experimental analysis of a differential inverse problem

Martin P. Paulus, Constantin Popa, Linda Stals, 1999 .

ON CIMMINO'S REFLECTION ALGORITHM

C. Popa, 2008 .

Preconditioned Conjugate Gradient and Multigrid Methods for Numerical Solution of Multicomponent Mass Transfer Equations II. Convection-Diffusion-Reaction Equations

C. Popa, A. Nicola, G. Juncu, 2014 .

Lehrstuhl für Informatik 10 ( Systemsimulation ) Algebraic multigrid for general inconsistent linear systems : theoretical and experimental aspects

C. Popa, Ulrich Rüde Lehrstuhlbericht, 2007 .

DIRECT AND ITERATIVE KACZMARZ-LIKE SOLVERS

C. Popa, 2006 .

Algebraic multigrid for general inconsistent linear systems: Preliminary results

C. Popa, 2006 .

A Kovarik Type-Algorithm without Matrix Inversion for the Numerical Solution of Symmetric Least-Squares Problems

C. Popa, U. Rüde, M. Mohr, 2005 .

IMPROVING IMAGE RECONSTRUCTION WITH EVOLUTIONARY ALGORITHMS

C. Popa, H. Luchian, A. Bautu, 2004 .

MASCHINEN UND DATENVERARBEITUNG ) Lehrstuhl für Informatik 10 ( Systemsimulation ) Numerical Solution of Least-Squares Problems by a Modified Kovarik Algorithm

C. Popa, M. Mohr, U. Rüde, 2003 .

Numerical experiments with MG continuation algorithms

C. Popa, E. Mosekilde, G. Juncu, 2006 .

Constrained Kaczmarz extended algorithm for image reconstruction

Constantin Popa, C. Popa, 2008 .

Constrained SART algorithm for inverse problems in image reconstruction

C. Popa, Lacramioara Grecu, 2013 .

Accelerating Constrained SIRTwith Applications in Tomographic Particle Image Reconstruction

C. Popa, C. Schnörr, S. Petra, 2009 .

A general iterative solver for unbalanced inconsistent transportation problems

C. Popa, C. Șerban, D. Carp, 2016 .

Nonlinear Multigrid Methods for Numerical Solution of the Variably Saturated Flow Equation in Two Space Dimensions

C. Popa, A. Nicola, G. Juncu, 2011, Transport in Porous Media.

Nonlinear Multigrid Methods for Numerical Solution of the Unsaturated Flow Equation in Two Space Dimensions

C. Popa, A. Nicola, G. Juncu, 2010 .

Numerical experiments with preconditioning by gram matrix approximation for non-linear elliptic equations

C. Popa, G. Juncu, 2000 .

Preconditioning by approximations of the Gram matrix for convection-diffusion equations

C. Popa, G. Juncu, 1998 .

1 NUMERICAL EXPERIMENTS WITH PRECONDITIONING BY GRAM MATRIX APPROXIMATION FOR NON-LINEAR ELLIPTIC EQUATIONS

C. Popa, G. Juncu, 1996 .

Some Remarks on a Collocation Method for First Kind Integral Equations

C. Popa, E. Pelican, 2003 .

Iterative Regularized Solution of Symmetric and Positive Semi-Denite Linear Complementarity Problems

C. Popa, T. Preclik, 2011 .

Numerical solution of the parabolic multicomponent convection–diffusion mass transfer equations by a splitting method

C. Popa, A. Nicola, G. Juncu, 2017 .

A note on Kaczmarz algorithm with remotest set control sequence

C. Popa, 2017, 1702.02729.

Numerical solutions to singular ϕ-Laplacianwith Dirichlet boundary conditions

C. Popa, P. Jebelean, 2014, Numerical Algorithms.

Regularized solution of LCP problems with application to rigid body dynamics

C. Popa, T. Preclik, U. Rüde, 2015, Numerical Algorithms.

PRECONDITIONING FOR THE FULFILMENT OF THE APPROXIMATION ASSUMPTION IN THE ALGEBRAIC MULTIGRID METHOD

C. Popa, 2020 .

Preconditioning by Gram matrix approximation for diffusion-convection-reaction equations with discontinuous coefficients

C. Popa, Gh. Juncu, C. Popa, 2002, Math. Comput. Simul..

Kaczmarz extended algorithm for tomographic image reconstruction from limited-data

Rafal Zdunek, Constantin Popa, R. Zdunek, 2004, Math. Comput. Simul..

Iterative Solution of Weighted Linear Least Squares Problems

C. Popa, T. Preclik, U. Rüde, 2020 .

Iterative Solution of Weighted Least Squares Problems with Applications to Rigid Multibody Dynamics

C. Popa, T. Preclik, 2010 .

Iterative solvers for Tikhonov regularization of dense inverse problems

Constantin Popa, C. Popa, 2010, Int. J. Comput. Math..

PENALIZED LEAST-SQUARES IMAGE RECONSTRUCTION FOR BOREHOLE TOMOGRAPHY

Constantin Popa, C. Popa, Rafal ZDUNEKy, 2005 .

On numerical solution of full rank linear systems pdf

Ulrich Rüde, Constantin Popa, A. Dumitrasc, 2019, ArXiv.

Splitting methods for the numerical solution of multi-component mass transfer problems

Aurelian Nicola, Constantin Popa, Gheorghe Juncu, 2018, Math. Comput. Simul..

Brinkman–Forchheimer-Darcy flow past an impermeable cylinder embedded in a porous medium

C. Popa, G. Juncu, 2015 .

Least-squares solution of overdetermined inconsistent linear systems using kaczmarz's relaxation

Constantin Popa, C. Popa, 1995, Int. J. Comput. Math..

Mesh independence principle for nonlinear equations on hilbert spaces by preconditioning

Constantin Popa, C. Popa, 1998, Int. J. Comput. Math..

Extended Kaczmarz‐like methods with oblique projections

C. Popa, 2003 .

Interpolation and Related Coarsening Techniques for the Algebraic Multigrid Method

Constantin Popa, C. Popa, G. Golubovici, 1994 .

Numerical solution of symmetric least-squares problems with an inversion-free Kovarik-type algorithm

Marcus Mohr, Constantin Popa, C. Popa, 2008, Int. J. Comput. Math..

Projections and preconditioning for inconsistent least-squares problems

Constantin Popa, D. J. Evans, C. Popa, 2001 .

Preconditioned Kaczmarz-Extended algorithm with relaxation parameters

C. Popa, 1999 .

Family constraining of iterative algorithms

Yair Censor, Constantin Popa, Ioana Pantelimon, 2013, Numerical Algorithms.

A general extending and constraining procedure for linear iterative methods

C. Popa, C. Schnörr, Stefania Petra, 2012, Int. J. Comput. Math..

KINEMATICS OF THE SPATIAL 3-UPU PARALLEL ROBOT

C. Popa, S. Staicu, Stefan STAICU, 2013 .

Projection Algorithms - Classical Results and Developments

Constantin Popa, C. Popa, 2012 .

Single projection Kaczmarz extended algorithms

Stefania Petra, Constantin Popa, C. Popa, 2015, Numerical Algorithms.