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Olenev, Nicholas (ed.) et al., Optimization and applications. 14th international conference, OPTIMA 2023, Petrovac, Montenegro, September 18–22, 2023. Revised selected papers. Cham: Springer. Lect. Notes Comput. Sci. 14395, 45-59 (2023).

MSC: 65-XX 90-XX 49-XX 91-XX 93-XX

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Dong, Harry; Tong, Tian; Ma, Cong; Chi, Yuejie

Fast and provable tensor robust principal component analysis via scaled gradient descent. (English) Zbl 07858360

Inf. Inference 12, No. 3, Article ID iaad019, 43 p. (2023).

MSC: 68Txx 68Wxx

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Vladu, Adrian

Interior point methods with a gradient oracle. (English) Zbl 07844718

Saha, Barna (ed.) et al., Proceedings of the 55th annual ACM SIGACT symposium on theory of computing, STOC ’23, Orlando, FL, USA, June 20–23, 2023. New York, NY: Association for Computing Machinery (ACM). 1876-1889 (2023).

MSC: 68Qxx

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Yue, Xiaoqiang; Zhang, Zekai; Xu, Xiaowen; Zhai, Shuying; Shu, Shi

An algebraic multigrid-based physical factorization preconditioner for the multi-group radiation diffusion equations in three dimensions. (English) Zbl 07814762

Numer. Math., Theory Methods Appl. 16, No. 2, 410-432 (2023).

MSC: 65F08 65N08 65N55 65Y05

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Balani, Fariba Bakrani; Hajarian, Masoud

A new block preconditioner for weighted Toeplitz regularized least-squares problems. (English) Zbl 07804202

Int. J. Comput. Math. 100, No. 12, 2241-2250 (2023).

MSC: 65F10 65F50

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Lee, Jeonghun J.; Ghattas, Omar

Interior over-penalized enriched Galerkin methods for second order elliptic equations. (English) Zbl 07801648

Comput. Math. Appl. 152, 102-111 (2023).

MSC: 65-XX 35-XX

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Liu, Zhijun; Guan, Zhichun; Tong, Yuxin; Zhang, Yimin; Zheng, Hong; Yang, Wenzhi

Preconditioned smoothed numerical manifold methods with unfitted meshes. (English) Zbl 1532.74141

Int. J. Numer. Methods Eng. 124, No. 24, 5533-5557 (2023).

MSC: 74S99 74K10 74K15

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Wang, Nana; Li, Jicheng

A class of preconditioners based on symmetric-triangular decomposition and matrix splitting for generalized saddle point problems. (English) Zbl 1534.65052

IMA J. Numer. Anal. 43, No. 5, 2998-3025 (2023).

MSC: 65F08 15A23

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Pidstrigach, Jakiw

Convergence of preconditioned Hamiltonian Monte Carlo on Hilbert spaces. (English) Zbl 1534.65016

IMA J. Numer. Anal. 43, No. 5, 2665-2713 (2023).

MSC: 65C05 65J05 65J10

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Donatelli, Marco; Ferrari, Paola; Gazzola, Silvia

Symmetrization techniques in image deblurring. (English) Zbl 1534.94004

ETNA, Electron. Trans. Numer. Anal. 59, 157-178 (2023).

MSC: 94A08 65F10 65F22

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Correnty, Siobhán; Jarlebring, Elias; Szyld, Daniel B.

Preconditioned Chebyshev BiCG method for parameterized linear systems. (English) Zbl 1534.65054

ETNA, Electron. Trans. Numer. Anal. 58, 629-656 (2023).

MSC: 65F10 15A06 65F35 65F50

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Wihler, Thomas P.

A generalized Sassenfeld criterion and its relation to H-matrices. (English) Zbl 1537.15034

ETNA, Electron. Trans. Numer. Anal. 58, 621-628 (2023).

Reviewer: Ctirad Matonoha (Praha)

MSC: 15B48 15A06 65F08 65F10

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Chen, Yuhan; Li, Chenliang

Preconditioned tensor format conjugate gradient squared and biconjugate gradient stabilized methods for solving Stein tensor equations. (English) Zbl 07790627

Numer. Linear Algebra Appl. 30, No. 5, e2502, 13 p. (2023).

Reviewer: Fatemeh Beik (Burnaby)

MSC: 65F10 65F08 15A69

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Li, Tao; Wang, Qing-Wen

Structure preserving quaternion full orthogonalization method with applications. (English) Zbl 07790620

Numer. Linear Algebra Appl. 30, No. 5, e2495, 15 p. (2023).

MSC: 65F25 15B33

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Aleixo, R.; Lara, Urdaneta H.

On the preconditioned delayed weighted gradient method. (English) Zbl 1538.90100

Trends Comput. Appl. Math. 24, No. 3, 437-457 (2023).

MSC: 90C25 49M27 65K05

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Montardini, M.; Sangalli, G.; Tani, M.

A low-rank isogeometric solver based on Tucker tensors. (English) Zbl 1536.65150

Comput. Methods Appl. Mech. Eng. 417, Part B, Article ID 116472, 25 p. (2023).

MSC: 65N30 65D07 65F55 15A69

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Bonilla, J.; Shadid, J. N.; Tang, X.-Z.; Crockatt, M. M.; Ohm, P.; Phillips, E. G.; Pawlowski, R. P.; Conde, S.; Beznosov, O.

On a fully-implicit VMS-stabilized FE formulation for low Mach number compressible resistive MHD with application to MCF. (English) Zbl 1539.76100

Comput. Methods Appl. Mech. Eng. 417, Part B, Article ID 116359, 23 p. (2023).

MSC: 76M10 76N10

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Zhang, Mei; Yang, Haijian; Yang, Chao; Sun, Shuyu

Multilevel constrained pressure-temperature residual preconditioners for large-scale non-isothermal reservoir simulation via restricted additive Schwarz algorithms. (English) Zbl 1538.65332

Commun. Comput. Phys. 34, No. 3, 837-868 (2023).

MSC: 65M55 35F50 35Q35 65F08 76S05 80A19

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Diab, Malak; Frommer, Andreas; Kahl, Karsten

A flexible short recurrence Krylov subspace method for matrices arising in the time integration of port-Hamiltonian systems and ODEs/DAEs with a dissipative Hamiltonian. (English) Zbl 1531.65048

BIT 63, No. 4, Paper No. 57, 21 p. (2023).

MSC: 65F10 65F08 65L04 65L80

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Zhang, Guo-Dong; Yang, Min; He, Yinnian

Block preconditioners for energy stable schemes of magnetohydrodynamics equations. (English) Zbl 1531.65187

Numer. Methods Partial Differ. Equations 39, No. 1, 501-522 (2023).

MSC: 65M60 65M06 65N30 65F08 65F10 65M12 65M15 76W05 76M10 76M20 35Q35

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Papadopoulos, Ioannis P. A.; Farrell, Patrick E.

Preconditioners for computing multiple solutions in three-dimensional fluid topology optimization. (English) Zbl 1533.65046

SIAM J. Sci. Comput. 45, No. 6, B853-B883 (2023).

Reviewer: Steven B. Damelin (Ann Arbor)

MSC: 65F08 65K10 65N55 35Q35 49M15 90C26

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Found 4,260 Documents (Results 1–100)

A primal-dual algorithm for computing Finsler distances and applications. (English) Zbl 07924851

Field-split preconditioned active-set reduced-space algorithm for complex black oil reservoir simulation at large-scale. (English) Zbl 07922822

Preconditioned weak Galerkin finite element method for Poisson equation by least squares reconstruction. (English) Zbl 07920866

An approximate block factorization preconditioner for mixed-dimensional beam-solid interaction. (English) Zbl 07917734

A generalized model for large deformations of an elastically isotropic material with elastic-inelastic response. (English) Zbl 07915981

Implicit low-rank Riemannian schemes for the time integration of stiff partial differential equations. (English) Zbl 07915952

Preconditioned nonsymmetric/symmetric discontinuous Galerkin method for elliptic problem with reconstructed discontinuous approximation. (English) Zbl 07915948

Avoiding breakdown in incomplete factorizations in low precision arithmetic. (English) Zbl 07912546

Stochastic mirror descent for convex optimization with consensus constraints. (English) Zbl 07906735

Multilevel Schur-complement algorithms for scalable parallel reservoir simulation with temperature variation. (English) Zbl 07901342

A multiscale preconditioner for crack evolution in porous microstructures: accelerating phase-field methods. (English) Zbl 07901013

Nonlinearly preconditioned semismooth Newton algorithms for nonlinear nonsmooth systems. (English) Zbl 07899553

Substructuring the Hiptmair-Xu preconditioner for positive definite \(\mathrm{H}(curl,\Omega )\) problems. (English) Zbl 07896748

A single-sided all-at-once preconditioning for linear system from a non-local evolutionary equation with weakly singular kernels. (English) Zbl 07894786

On the improvement of shift-splitting preconditioners for double saddle point problems. (English) Zbl 07893821

Some preconditioning techniques for a class of double saddle point problems. (English) Zbl 07893437

Preconditioned discontinuous Galerkin method and convection-diffusion-reaction problems with guaranteed bounds to resulting spectra. (English) Zbl 07893435

Robust block diagonal preconditioners for poroelastic problems with strongly heterogeneous material. (English) Zbl 07893431

Quasi-Newton variable preconditioning for nonlinear elasticity systems in 3D. (English) Zbl 07893426

SUPG-based stabilized finite element computations of convection-dominated 3D elliptic PDEs using shock-capturing. (English) Zbl 07890871

Single-pass Nyström approximation in mixed precision. (English) Zbl 07885721

An adaptive factorized Nyström preconditioner for regularized kernel matrices. (English) Zbl 07883836

On generalized preconditioners for time-parallel parabolic optimal control. (English) Zbl 07883834

Physics-based preconditioning of Jacobian-free Newton-Krylov solver for Navier-Stokes equations using nodal integral method. (English) Zbl 07882689

Uniform substructuring preconditioners for high order FEM on triangles and the influence of nodal basis functions. (English) Zbl 07882246

Polynomial preconditioning for the action of the matrix square root and inverse square root. (English) Zbl 07881199

Additional block triangular preconditioners for coupled block two-by-two linear systems arising from Stokes control problems. (English) Zbl 07878277

Riemannian preconditioned coordinate descent for low multilinear rank approximation. (English) Zbl 07871020

High order compact augmented methods for Stokes equations with different boundary conditions. (English) Zbl 07867576

Machine learning for preconditioning elliptic equations in porous microstructures: a path to error control. (English) Zbl 07867440

Robust PRESB preconditioning of a 3-dimensional space-time finite element method for parabolic problems. (English) Zbl 1541.65096

Block constrained pressure residual preconditioning for two-phase flow in porous media by mixed hybrid finite elements. (English) Zbl 1540.76097

Unified approach to artificial compressibility and local low Mach number preconditioning. (English) Zbl 07863620

Stochastic gradient descent with preconditioned Polyak step-size. (English) Zbl 07862396

Quasi-local and frequency-robust preconditioners for the Helmholtz first-kind integral equations on the disk. (English) Zbl 1541.65171

Parameter-robust preconditioners for Biot’s model. (English) Zbl 07861011

Hermitian preconditioning for a class of non-Hermitian linear systems. (English) Zbl 07860856

A matching Schur complement preconditioning technique for inverse source problems. (English) Zbl 07859312

Modeling quasi-static crack propagation using preconditioned numerical manifold method. (English) Zbl 07855261

Fast parallel solver of time-harmonic wave equation with topography. (English) Zbl 07853996

Mixed precision Rayleigh quotient iteration for total least squares problems. (English) Zbl 07853028

Point spread function approximation of high-rank Hessians with locally supported nonnegative integral kernels. (English) Zbl 07852698

Multigrid solvers for the de Rham complex with optimal complexity in polynomial degree. (English) Zbl 07852694

Spectral analysis of preconditioned matrices arising from stage-parallel implicit Runge-Kutta methods of arbitrarily high order. (English) Zbl 1539.65049

A preconditioned version of the MBP iteration method for a class of complex symmetric linear systems. (English) Zbl 07846889

Augmentation-based preconditioners for saddle-point systems with singular leading blocks. (English) Zbl 07846111

Saddle point preconditioners for weak-constraint 4D-VAR. (English) Zbl 07846110

Algebraic multigrid methods for metric-perturbed coupled problems. (English) Zbl 1537.65185

Improving the Gauss-Seidel iterative method for solving multi-linear systems with \(\mathcal{M}\)-tensors. (English) Zbl 1537.65054

Block preconditioning methods for asymptotic preserving scheme arising in anisotropic elliptic problems. (English) Zbl 1537.65162

The symbol approximation method: a numerical approach to the approximation of the symbol of self-adjoint operators. (English) Zbl 07841095

Some ways of parallel implementation of the conjugate gradient method with an implicit factorized preconditioner. (Russian. English summary) Zbl 1537.65028

Efficient solution of parameter identification problems with \(H^1\) regularization. (English) Zbl 1537.65158

pISTA: preconditioned iterative soft thresholding algorithm for graphical LASSO. (English) Zbl 07837060

Preconditioned infinite GMRES for parameterized linear systems. (English) Zbl 1541.65017

Stage-parallel fully implicit Runge-Kutta implementations with optimal multilevel preconditioners at the scaling limit. (English) Zbl 1537.65088

Solving linear systems of the form \((A+\gamma UU^T)\,x=b\) by preconditioned iterative methods. (English) Zbl 07837043

Preconditioned geometric iterative methods for B-spline interpolation. (English) Zbl 1540.65071

On the preconditioned APSS iterative method for singular coupled saddle point problems. (English) Zbl 1536.65034

Stage-parallel preconditioners for implicit Runge-Kutta methods of arbitrarily high order, linear problems. (English) Zbl 07830555

A new block triangular preconditioner for three-by-three block saddle-point problem. (English) Zbl 07830499

Efficient and reliable divergence-conforming methods for an elasticity-poroelasticity interface problem. (English) Zbl 07813442

A high-order residual-based viscosity finite element method for incompressible variable density flow. (English) Zbl 07811303

A fast regularized CT reconstruction method based on a preconditioning matrix for limited-angle fan-beam CT. (English) Zbl 1533.94009

Overlapping multiplicative Schwarz preconditioning for linear and nonlinear systems. (English) Zbl 07807975

Incomplete double-cone factorizations of centrosymmetric matrices arising in spectral methods. (English) Zbl 1534.65051

Nonlinearly constrained pressure residual (NCPR) algorithms for fractured reservoir simulation. (English) Zbl 1536.76088

Five-precision GMRES-based iterative refinement. (English) Zbl 07805911

A simple formula for the generalized spectrum of second order self-adjoint differential operators. (English) Zbl 1534.65079

Modeling excitable cells with the EMI equations: spectral analysis and iterative solution strategy. (English) Zbl 1533.65045

A performance evaluation of a new flexible preconditioning method on a parallel finite element structure analysis program, FrontISTR. (English) Zbl 1530.65033

A modified preconditioner for three-by-three block saddle point problems. (English) Zbl 1530.65035

A modified new matrix splitting preconditioner for double saddle point problems. (English) Zbl 1530.65034