## Found 1,513 Documents (Results 1–100)

100
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### Accelerated stochastic algorithms for convex-concave saddle-point problems. (English)Zbl 07548074

MSC:  90C47 90C15 90C25
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### A new generalized variant of the deteriorated PSS preconditioner for nonsymmetric saddle point problems. (English)Zbl 07546710

MSC:  65-XX 62-XX
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### Cubic regularized Newton method for the saddle point models: a global and local convergence analysis. (English)Zbl 07545421

MSC:  90C47 49K35
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### On initial point selection of the steepest descent algorithm for general quadratic functions. (English)Zbl 07531483

MSC:  90C06 90C26 65Y20
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### Game minimax control of automatic system bandwidth under information counteraction. (English. Russian original)Zbl 07528555

Autom. Remote Control 83, No. 2, 282-290 (2022); translation from Avtom. Telemekh. 2022, No. 2, 144-153 (2022).
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### A restricted additive vanka smoother for geometric multigrid. (English)Zbl 07525121

MSC:  65Nxx 65Fxx 76Dxx
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### Semiconvergence of the extended PSS method for singular generalized saddle point problems. (English)Zbl 07513113

MSC:  65F10 65F08
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MSC:  90C47
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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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### A new primal-dual algorithm for structured convex optimization involving a Lipschitzian term. (English)Zbl 07506689

MSC:  65-XX 49-XX 90C33
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### An extension of the Poincaré-Birkhoff theorem for Hamiltonian systems coupling resonant linear components with twisting components. (English)Zbl 07500536

MSC:  37J45 70H12
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### Preconditioned global GPBiCG method for solving saddle point problems with multiple right-hand sides and its convergence analysis. (English)Zbl 1482.65056

MSC:  65F10 65F08
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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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### Inexact model: a framework for optimization and variational inequalities. (English)Zbl 07540587

MSC:  65K05 65K15 90C06
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### Extensions of two minimax theorems of S. Park. (English)Zbl 07540046

MSC:  49K35 49J35
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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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### Three effective preconditioners for double saddle point problem. (English)Zbl 1484.65056

MSC:  65F08 65F10 65F50
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### One-point gradient-free methods for smooth and non-smooth saddle-point problems. (English)Zbl 07495077

Pardalos, Panos (ed.) et al., Mathematical optimization theory and operations research. 20th international conference, MOTOR 2021, Irkutsk, Russia, July 5–10, 2021. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 12755, 144-158 (2021).
MSC:  90C33 90C15
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MSC:  65J20
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MSC:  65F08
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### Componentwise localization of critical points for functionals defined on product spaces. (English)Zbl 07473901

MSC:  49K35 47J30 49J27
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### On a quadratic minimization problem with nonuniform perturbations in the criteria and constraints. (English. Russian original)Zbl 1481.65084

Proc. Steklov Inst. Math. 315, Suppl. 1, S27-S41 (2021); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 27, No. 2, 19-34 (2021).
MSC:  65J20
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### Small-$$t$$ expansion for the Hartman-Watson distribution. (English)Zbl 07453918

MSC:  41A60 33F05 60-08
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### Robust saddle-point criteria for multi-dimensional control optimisation problems with data uncertainty. (English)Zbl 1478.93308

MSC:  93C35 93B35 49J10
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### Convergence analysis of the splitting-based iterative method for solving generalized saddle point problems. (English)Zbl 07424822

MSC:  65F10 65F50
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### A new constraint preconditioner based on the PGSS iteration method for non-Hermitian generalized saddle point problems. (English)Zbl 07422799

MSC:  65F10 65F50
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### A projected super-penalty method for the $$C^1$$-coupling of multi-patch isogeometric Kirchhoff plates. (English)Zbl 1477.74113

MSC:  74S22 74K20
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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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### A first-order inexact primal-dual algorithm for a class of convex-concave saddle point problems. (English)Zbl 1478.90088

MSC:  90C25 90C47 65K15
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### A variant of relaxed alternating positive semi-definite splitting preconditioner for double saddle point problems. (English)Zbl 1483.65048

MSC:  65F08 65F10 65F50
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MSC:  90C33
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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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### Local limit theorems for generalized scheme of allocation of particles into ordered cells. (English. Russian original)Zbl 1471.60033

Discrete Math. Appl. 31, No. 4, 293-307 (2021); translation from Diskretn. Mat. 31, No. 4, 70-87 (2019).
MSC:  60F05 60C05 05A15
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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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MSC:  65C60
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### A modified parameterized shift-splitting preconditioner for saddle point problems. (English)Zbl 1461.65043

MSC:  65F10 65F08
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### Approximate first-order primal-dual algorithms for saddle point problems. (English)Zbl 1461.65159

MSC:  65K05 65K10 90C25
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### Asymptotics and statistics on Fishburn matrices and their generalizations. (English)Zbl 1459.05016

MSC:  05A19 05A15 05B20
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### An accelerated forward-backward splitting algorithm for solving inclusion problems with applications to regression and link prediction problems. (English)Zbl 1477.47063

MSC:  47J25 47H05
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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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### A smoothing Lagrange multiplier method for solving the quasi-variational Signorini’s inequality. (English)Zbl 1477.90112

Jaćimović, Milojica (ed.) et al., Optimization and applications. 10th international conference, OPTIMA 2019, Petrovac, Montenegro, September 30 – October 4, 2019. Revised selected papers. Cham: Springer. Commun. Comput. Inf. Sci. 1145, 401-414 (2020).
MSC:  90C33 90C90
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### A shift-splitting preconditioner for asymmetric saddle point problems. (English)Zbl 1476.65038

MSC:  65F08 65F10
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### Network-inspired versus Kozeny-Carman based permeability-porosity relations applied to Biot’s poroelasticity model. (English)Zbl 1472.76100

MSC:  76S05 74F10 74S05
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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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### Saddle point approximation approaches for two-stage robust optimization problems. (English)Zbl 1465.90058

MSC:  90C17 90C59 90C47
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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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### Gradient-free methods with inexact oracle for convex-concave stochastic saddle-point problem. (English)Zbl 1460.90118

Kochetov, Yury (ed.) et al., Mathematical optimization theory and operations research. 19th international conference, MOTOR 2020, Novosibirsk, Russia, July 6–10, 2020. Revised selected papers. Cham: Springer. Commun. Comput. Inf. Sci. 1275, 105-119 (2020).
MSC:  90C15 90C33
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### A fractional-step method for steady-state flow. (English)Zbl 1453.76106

MSC:  76M12 76D05 76M10
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MSC:  90C33

### A generalized SHSS preconditioner for generalized saddle point problem. (English)Zbl 1463.65050

MSC:  65F10 65F08 65F50
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### Convergence rate of $$\mathcal{O}(1/k)$$ for optimistic gradient and extragradient methods in smooth convex-concave saddle point problems. (English)Zbl 1454.90057

MSC:  90C25 90C47
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### Eigenvalue estimates of the regularized HSS preconditioned saddle point matrix. (Chinese. English summary)Zbl 1463.65068

MSC:  65F15 65F22 65F08

### Projection primal-dual method for saddle point optimization problems with simple constrained. (Chinese. English summary)Zbl 1463.90236

MSC:  90C47 65K10
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### Dynamics, phase constraints, and linear programming. (English. Russian original)Zbl 1450.49018

Comput. Math. Math. Phys. 60, No. 2, 184-202 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 2, 177-196 (2020).
MSC:  49N15 90C46 90C05
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### Convergence analysis for modified PAHSS-PU method with new parameter setting. (English)Zbl 1463.65061

MSC:  65F10 65F50
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### On the regularization matrix of the regularized DPSS preconditioner for non-Hermitian saddle-point problems. (English)Zbl 1463.65064

MSC:  65F10 65F08 15A18
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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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