Ludmil Zikatanov
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A monotone finite element scheme for convection-diffusion equations
J Xu, L Zikatanov
Mathematics of Computation 68 (228), 1429-1446, 1999
The method of alternating projections and the method of subspace corrections in Hilbert space
J Xu, L Zikatanov
Journal of the American Mathematical Society 15 (3), 573-597, 2002
Some observations on Babuska and Brezzi theories
J Xu, L Zikatanov
Numerische Mathematik 94 (1), 195-202, 2003
On two‐grid convergence estimates
RD Falgout, PS Vassilevski, LT Zikatanov
Numerical linear algebra with applications 12 (5‐6), 471-494, 2005
On an energy minimizing basis for algebraic multigrid methods
J Xu, L Zikatanov
Computing and Visualization in Science 7 (3-4), 121-127, 2004
Algebraic multigrid methods
J Xu, LT Zikatanov
arXiv preprint arXiv:1611.01917, 2016
Two‐level preconditioning of discontinuous Galerkin approximations of second‐order elliptic equations
VA Dobrev, RD Lazarov, PS Vassilevski, LT Zikatanov
Numerical Linear Algebra with Applications 13 (9), 753-770, 2006
Improving the rate of convergence of ‘high order finite elements’ on polygons and domains with cusps
C Băcuţă, V Nistor, LT Zikatanov
Numerische Mathematik 100 (2), 165-184, 2005
An agglomeration multigrid method for unstructured grids
TF Chan, J Xu, L Zikatanov
Contemporary Mathematics 218, 67-81, 1998
Stability and monotonicity for some discretizations of the Biot’s consolidation model
C Rodrigo, FJ Gaspar, X Hu, LT Zikatanov
Computer Methods in Applied Mechanics and Engineering 298, 183-204, 2016
A multigrid method based on graph matching for convection–diffusion equations
HH Kim, J Xu, L Zikatanov
Numerical linear algebra with applications 10 (1‐2), 181-195, 2003
Improved supercooling in transient thermoelectrics
T Thonhauser, GD Mahan, L Zikatanov, J Roe
Applied Physics Letters 85 (15), 3247-3249, 2004
Uniformly convergent iterative methods for discontinuous Galerkin discretizations
BA De Dios, L Zikatanov
Journal of Scientific Computing 40 (1-3), 4-36, 2009
Algebraic multigrid methods based on compatible relaxation and energy minimization
J Brannick, L Zikatanov
Domain decomposition methods in science and engineering XVI, 15-26, 2007
Robust subspace correction methods for nearly singular systems
YJ Lee, J Wu, J Xu, L Zikatanov
Mathematical Models and Methods in Applied Sciences 17 (11), 1937-1963, 2007
Two‐sided bounds on the convergence rate of two‐level methods
LT Zikatanov
Numerical Linear Algebra with Applications 15 (5), 439-454, 2008
Mathematical models for the deformation of electrolyte droplets
R Ryham, C Liu, L Zikatanov
Discrete & Continuous Dynamical Systems-B 8 (3), 649, 2007
Interface and mixed boundary value problems on-dimensional polyhedral domains.
C Bacuta, AL Mazzucato, V Nistor, L Zikatanov
Documenta Mathematica 15, 687-745, 2010
A nonconforming finite element method for the Biot’s consolidation model in poroelasticity
X Hu, C Rodrigo, FJ Gaspar, LT Zikatanov
Journal of Computational and Applied Mathematics 310, 143-154, 2017
Multilevel methods for elliptic problems with highly varying coefficients on nonaligned coarse grids
R Scheichl, PS Vassilevski, LT Zikatanov
SIAM Journal on Numerical Analysis 50 (3), 1675-1694, 2012
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