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Evgueni Ovtchinnikov
Evgueni Ovtchinnikov
Senior Computational Scientist, Rutherford-Appleton Lab, UKRI-STFC
E-mail confirmado em stfc.ac.uk
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Block locally optimal preconditioned eigenvalue xolvers (BLOPEX) in HYPRE and PETSc
AV Knyazev, ME Argentati, I Lashuk, EE Ovtchinnikov
SIAM Journal on Scientific Computing 29 (5), 2224-2239, 2007
1422007
Level‐set topology optimization with many linear buckling constraints using an efficient and robust eigensolver
PD Dunning, E Ovtchinnikov, J Scott, HA Kim
International Journal for Numerical Methods in Engineering 107 (12), 1029-1053, 2016
722016
SIRF: synergistic image reconstruction framework
E Ovtchinnikov, R Brown, C Kolbitsch, E Pasca, C da Costa-Luis, ...
Computer Physics Communications 249, 107087, 2020
642020
A Sparse Symmetric Indefinite Direct Solver for GPU Architectures.
JD Hogg, EE Ovtchinnikov, JA Scott
ACM Trans. Math. Softw. 42 (1), 1:1-1:25, 2016
412016
Jacobi correction equation, line search, and conjugate gradients in Hermitian eigenvalue computation I: Computing an extreme eigenvalue
EE Ovtchinnikov
SIAM journal on numerical analysis 46 (5), 2567-2592, 2008
272008
Recent developments in the numerical simulation of shallow water equations II: Temporal discretization
V Agoshkov, E Ovchinnikov, A Quarteroni, F Saleri
Mathematical Models and Methods in Applied Sciences 4 (04), 533-556, 1994
271994
Cluster robustness of preconditioned gradient subspace iteration eigensolvers
E Ovtchinnikov
Linear algebra and its applications 415 (1), 140-166, 2006
252006
Computing several eigenpairs of Hermitian problems by conjugate gradient iterations
EE Ovtchinnikov
Journal of Computational Physics 227 (22), 9477-9497, 2008
242008
Sharp convergence estimates for the preconditioned steepest descent method for Hermitian eigenvalue problems
EE Ovtchinnikov
SIAM journal on numerical analysis 43 (6), 2668-2689, 2006
232006
Convergence analysis of gradient iterations for the symmetric eigenvalue problem
K Neymeyr, E Ovtchinnikov, M Zhou
SIAM journal on matrix analysis and applications 32 (2), 443-456, 2011
222011
Convergence estimates for the generalized Davidson method for symmetric eigenvalue problems I: The preconditioning aspect
E Ovtchinnikov
SIAM Journal on Numerical Analysis 41 (1), 258-271, 2003
222003
Convergence estimates for the generalized Davidson method for symmetric eigenvalue problems II: The subspace acceleration
E Ovtchinnikov
SIAM Journal on Numerical Analysis 41 (1), 272-286, 2003
212003
Convergence theory for preconditioned eigenvalue solvers in a nutshell
ME Argentati, AV Knyazev, K Neymeyr, EE Ovtchinnikov, M Zhou
Foundations of Computational Mathematics 17, 713-727, 2017
202017
Jacobi correction equation, line search, and conjugate gradients in Hermitian eigenvalue computation II: Computing several extreme eigenvalues
EE Ovtchinnikov
SIAM journal on numerical analysis 46 (5), 2593-2619, 2008
202008
The Spectral Projection Decomposition Method for Elliptic Equations in 2D
P Gervasio, E Ovtchinnikov, A Quarteroni
J. Numer. Anal 34, 1616-1639, 1997
201997
Preconditioned eigensolver LOBPCG in hypre and PETSc
I Lashuk, M Argentati, E Ovtchinnikov, A Knyazev
Domain decomposition methods in science and engineering XVI, 635-642, 2007
192007
Effective dimensional reduction algorithm for eigenvalue problems for thin elastic structures: A paradigm in three dimensions
EE Ovtchinnikov, LS Xanthis
Proceedings of the National Academy of Sciences 97 (3), 967-971, 2000
192000
PROJECTION DOMAIN DECOMPOSITION METHOD
VI Agoshkov, E Ovtchinnikov
Mathematical Models and Methods in Applied Sciences 4 (06), 773-794, 1994
181994
Cluster robust error estimates for the Rayleigh–Ritz approximation II: Estimates for eigenvalues
E Ovtchinnikov
Linear algebra and its applications 415 (1), 188-209, 2006
172006
Cluster robust error estimates for the Rayleigh–Ritz approximation I: Estimates for invariant subspaces
E Ovtchinnikov
Linear algebra and its applications 415 (1), 167-187, 2006
162006
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Artigos 1–20