## Found 1,027 Documents (Results 1–100)

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### Efficient implementation of mixed finite element methods for parabolic problems. (English)Zbl 07534431

MSC:  65Mxx 76-XX
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### A restricted additive vanka smoother for geometric multigrid. (English)Zbl 07525121

MSC:  65Nxx 65Fxx 76Dxx
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### Structured backward errors for two kinds of generalized saddle point systems. (English)Zbl 07518418

MSC:  15A06 65F10
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### Fast iterative solver for the optimal control of time-dependent PDEs with Crank-Nicolson discretization in time. (English)Zbl 07511600

MSC:  65F08 65F10 65M22
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### Efficient discretization and preconditioning of the singularly perturbed reaction-diffusion problem. (English)Zbl 07483135

MSC:  65-XX 35-XX
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### A full discretization for the saddle-point approach of a degenerate parabolic problem involving a moving body. (English)Zbl 07443300

MSC:  65Mxx 76-XX
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### Homoclinic solutions of discrete nonlinear Schrödinger equations with unbounded potentials. (English)Zbl 1479.35281

MSC:  35J10 39A12 35A01
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### Modified alternating positive semidefinite splitting preconditioner for time-harmonic eddy current models. (English)Zbl 07533076

MSC:  65F08 65F10 65N22
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### Sound radiation from non-uniformly lined duct with partial rigidity. (English)Zbl 07457153

MSC:  76-XX 35-XX
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MSC:  91A15
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### Navier-Stokes solvers for incompressible single- and two-phase flows. (English)Zbl 1480.76078

MSC:  76M12 76D05 76T06
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### Saddle point criteria for multi-dimensional control optimisation problem involving first-order PDE constraints. (English)Zbl 1475.93061

MSC:  93C35 93C20 49J20
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### Critical point theory in infinite dimensional spaces using the Leray-Schauder index. (English)Zbl 1475.35145

Rassias, Themistocles M. (ed.), Nonlinear analysis, differential equations, and applications. Cham: Springer. Springer Optim. Appl. 173, 579-608 (2021).
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### Preconditioned iterative method for nonsymmetric saddle point linear systems. (English)Zbl 07384082

MSC:  65-XX 90-XX
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### An augmented mixed finite element method for nonlinear elasticity problems. (English)Zbl 1474.74105

MSC:  74S05 65L60 74B20
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### Solution landscape of a reduced Landau-de Gennes model on a hexagon. (English)Zbl 1466.35296

MSC:  35Q35 35J20 49M41
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### A structural bifurcation analysis of flow phenomenon for shear flow past an inclined square cylinder: application to 2D unsteady separation. (English. Russian original)Zbl 1475.76028

Fluid Dyn. 55, No. 3, 391-406 (2020); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2020, No. 3, 108-124 (2020).
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### Saddle-point optimality criteria in modified variational control problems with partial differential equation constraints. (English)Zbl 1469.49008

MSC:  49J20 49K20
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### Parameter-robust Uzawa-type iterative methods for double saddle point problems arising in Biot’s consolidation and multiple-network poroelasticity models. (English)Zbl 1471.65143

Reviewer: Yan Xu (Hefei)
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### Existence of multiple periodic solutions to a semilinear wave equation with $$x$$-dependent coefficients. (English)Zbl 1459.35291

MSC:  35L71 35B10 35L20
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### A fractional-step method for steady-state flow. (English)Zbl 1453.76106

MSC:  76M12 76D05 76M10
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### Multiple brake orbits of even Hamiltonian systems on torus. (English)Zbl 1448.58010

MSC:  58E05 70H05 34C25
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### Accuracy of mathematical models. Dimension reduction, homogenization, and simplification. (English)Zbl 1481.35011

EMS Tracts in Mathematics 33. Berlin: European Mathematical Society (EMS) (ISBN 978-3-03719-206-1/hbk; 978-3-03719-706-6/ebook). xvi, 317 p. (2020).
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### A nested Schur complement solver with mesh-independent convergence for the time domain photonics modeling. (English)Zbl 07235945

MSC:  65F60 65N22
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### A relaxed upper and lower triangular splitting preconditioner for the linearized Navier-Stokes equation. (English)Zbl 07235929

MSC:  65F08 65F10 65F50
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### Efficient HSS-based preconditioners for generalized saddle point problems. (English)Zbl 1449.65071

MSC:  65F10 65F08 65N22
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### Optimal control and zero-sum stochastic differential game problems of mean-field type. (English)Zbl 1443.60061

MSC:  60H10 60H07 49N90
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### On fractional $$p$$-Laplacian equations at resonance. (English)Zbl 1437.35407

MSC:  35J92 58E05
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### Zero-sum stochastic differential games with risk-sensitive cost. (English)Zbl 1480.91027

MSC:  91A15 91A10
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### Multigrid methods for saddle point problems: optimality systems. (English)Zbl 1433.49003

MSC:  49J20 65N30 65N55
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### Variational methods in nonlinear analysis. With applications in optimization and partial differential equations. (English)Zbl 1443.49001

De Gruyter Graduate. Berlin: De Gruyter (ISBN 978-3-11-064736-5/pbk; 978-3-11-064738-9/ebook). xxv, 474 p. (2020).
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### Relaxed block upper-lower triangular preconditioner for generalized saddle point problems from the incompressible Navier-Stokes equations. (English)Zbl 07143636

MSC:  65-XX 74-XX
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### Analysis of algebraic Chorin temam splitting for incompressible NSE and comparison to Yosida methods. (English)Zbl 07126143

MSC:  65-XX 93-XX
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### Modified SIMPLE preconditioners for saddle point problems from steady incompressible Navier-Stokes equations. (English)Zbl 07126138

MSC:  65-XX 76-XX
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### On SSOR-like preconditioner for saddle point problems with dominant skew-Hermitian part. (English)Zbl 07474830

MSC:  65F10 65N22 76D07
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### On parameterized matrix splitting preconditioner for the saddle point problems. (English)Zbl 07474812

MSC:  65F10 15A24
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MSC:  65H10
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### Predator-prey games on complex networks. (English)Zbl 07264538

MSC:  65Cxx 92Cxx 93Axx
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### Saddle point least squares preconditioning of mixed methods. (English)Zbl 1442.65337

MSC:  65N22 65F08
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### A general class of shift-splitting preconditioners for non-Hermitian saddle point problems with applications to time-harmonic eddy current models. (English)Zbl 1442.65039

MSC:  65F10 15A06
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### Universal approach to the problem of emergence of chaos in autonomous dynamical systems. (English)Zbl 1439.34044

MSC:  34C28 37D45 34D45
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### Bell polynomials in the Mathematica system and asymptotic solutions of integral equations. (English. Russian original)Zbl 1463.45004

Theor. Math. Phys. 201, No. 3, 1798-1807 (2019); translation from Teor. Mat. Fiz. 201, No. 3, 446-456 (2019).
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### Preconditioned global Krylov subspace methods for solving saddle point problems with multiple right-hand sides. (English)Zbl 1431.65028

MSC:  65F10 65N22 65F50
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### The preconditioned Uzawa algorithm for solving the Stokes problems. (Chinese. English summary)Zbl 1449.65047

MSC:  65F08 65F10 65N22

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### Some simple criteria for the solvability of block $$2 \times 2$$ linear systems. (English)Zbl 1423.15004

MSC:  15A06 15A09 15A24
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### Stabilized dimensional factorization preconditioner for solving incompressible Navier-Stokes equations. (English)Zbl 1433.65331

MSC:  65F08 65N55 35Q30
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### Analysis of relaxed nonlinear inexact Uzawa algorithm for symmetric saddle point problems. (English)Zbl 1438.65052

MSC:  65F10 65F50 65N22
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### Saddle points of obstacles for an elliptic variational inequality. (English)Zbl 1422.91041

MSC:  91A05 35J87 90C25
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### On perturbations of a tangential discontinuity surface between two non-uniform flows of an ideal incompressible fluid. (English. Russian original)Zbl 1458.76043

J. Appl. Mech. Tech. Phys. 60, No. 2, 211-223 (2019); translation from Prikl. Mekh. Tekh. Fiz. 60, No. 2, 32-46 (2019).
MSC:  76E17 76B45
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### Preconditioned iterative methods for diffusion problems with high-contrast inclusions. (English)Zbl 1449.65058

Reviewer: Miroslav Rozloznik
MSC:  65F10 65F08 65N22
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### The Uzawa-MBB type algorithm for nonsymmetric saddle point problems. (English)Zbl 1464.65034

MSC:  65F10 65F08 65N22
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