Found 4,697 Documents (Results 1–100)
Fast algebraic multigrid for block-structured dense systems arising from nonlocal diffusion problems. (English) Zbl 07930242
Convergence of Peaceman-Rachford splitting method with Bregman distance for three-block nonconvex nonseparable optimization. (English) Zbl 07930198
Block-by-block technique for a class of nonlinear systems of fractional integro-differential equations. (English) Zbl 07922838
A modified block preconditioner for complex symmetric indefinite linear systems. (English) Zbl 07922836
Recent advances on mechanisms of network generation: community, exchangeability, and scale-free properties. (English) Zbl 07912701
MSC:
62-08
Greedy block extended Kaczmarz method for solving the least squares problems. (English) Zbl 07909836
Block diagonalization of block circulant quaternion matrices and the fast calculation for T-product of quaternion tensors. (English) Zbl 07909817
Extremal index: estimation and resampling. (English) Zbl 07904635
MSC:
62-08
An algorithm for generating efficient block designs via a novel particle swarm approach. (English) Zbl 07904625
MSC:
62-08
Solving nonlinear Fredholm integro-differential equations with combined orthonormal Bernstein and improved block-pulse functions. (English) Zbl 07901948
An optimized algorithm for numerical solution of coupled Burgers equations. (English) Zbl 1543.65171
A new pair of block techniques for direct integration of third-order singular IVPs. (English) Zbl 07901883
A randomized block Douglas-Rachford method for solving linear matrix equation. (English) Zbl 07901434
An optimized hybrid block method for solving nonlinear singularly perturbed problems using non-uniform Jain-type meshes. (English) Zbl 07899558
Toeplitz matrices in the BC-method for the plane domains. (English. Russian original) Zbl 07897425
J. Math. Sci., New York 283, No. 4, 505-515 (2024); translation from Zap. Nauchn. Semin. POMI 506, 21-35 (2021).
Dual formulation of the sparsity constrained optimization problem: application to classification. (English) Zbl 07895157
An iterative algorithm for low-rank tensor completion problem with sparse noise and missing values. (English) Zbl 07893429
Randomized compression of rank-structured matrices accelerated with graph coloring. (English) Zbl 1542.65052
One-step family of three optimized second-derivative hybrid block methods for solving first-order stiff problems. (English) Zbl 1541.65052
A two-grid characteristic block-centered finite difference method for Darcy-Forchheimer slightly compressible miscible displacement problem. (English) Zbl 1543.65133
A non-parametric gradient-based shape optimization approach for solving inverse problems in directed self-assembly of block copolymers. (English) Zbl 1541.65081
A new block method with variable stepsize implementation for solving third-order differential systems. (English) Zbl 07883066
Alternating block linearized Bregman iterations for regularized nonnegative matrix factorization. (English) Zbl 07883060
Randomized methods for computing optimal transport without regularization and their convergence analysis. (English) Zbl 07880220
Fourth-order compact block-centered splitting domain decomposition method for parabolic equations. (English) Zbl 1541.65085
Two decoupled and linearized block-centered finite difference methods for the nonlinear symmetric regularized long wave equation. (English) Zbl 07874381
A conservative algorithm based on a hybrid block method and tension B-spline differential quadrature method for rosenau-KdV-RLW equation. (English) Zbl 07871995
Accurate finite element modeling of multilayered flexible piezoelectric energy harvesting devices with strong coupling of structure, piezoelectricity, and circuit. (English) Zbl 07868827
On the number of components of the essential spectrum of one \(2 \times 2\) operator matrix. (English. Russian original) Zbl 07868695
Russ. Math. 68, No. 2, 75-79 (2024); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2024, No. 2, 85-90 (2024).
Block constrained pressure residual preconditioning for two-phase flow in porous media by mixed hybrid finite elements. (English) Zbl 1540.76097
Two-sample test of stochastic block models. (English) Zbl 1543.62220
MSC:
62-08
Multi-block alternating direction method of multipliers for ultrahigh dimensional quantile fused regression. (English) Zbl 1543.62222
MSC:
62-08
Selective inertial block-iterative schemes for a class of variational inequalities and applications. (English) Zbl 07863358
A space-time second-order method based on modified two-grid algorithm with second-order backward difference formula for the extended Fisher-Kolmogorov equation. (English) Zbl 07856515
Using adaptive mesh refinement technique for numerical modeling of relativistic jets. (English) Zbl 1542.76044
Fibonacci wavelet method for time fractional convection-diffusion equations. (English) Zbl 1539.65145
Linear-complexity black-box randomized compression of rank-structured matrices. (English) Zbl 07852700
MSC:
65F05
Second-order efficient algorithm for coupled nonlinear model of groundwater transport system. (English) Zbl 07852437
A block Householder-based algorithm for the QR decomposition of hierarchical matrices. (English) Zbl 1539.65054
An electromechanics-driven fluid dynamics model for the simulation of the whole human heart. (English) Zbl 07842867
Modeling the failure process of rock masses using a 3D nodal-based continuous-discontinuous deformation analysis method. (English) Zbl 1539.74226
Block preconditioning methods for asymptotic preserving scheme arising in anisotropic elliptic problems. (English) Zbl 1537.65162
Numerical solution on neutral delay Volterra integro-differential equation. (English) Zbl 1537.65200
Mathematical model, numerical simulation and convergence analysis of a semiconductor device problem with heat and magnetic influences. (English) Zbl 07835593
Bayesian model calibration for block copolymer self-assembly: likelihood-free inference and expected information gain computation via measure transport. (English) Zbl 07833839
A computational approach to solving some applied rigid second-order problems. (English) Zbl 1540.65201
A new wavelet method for fractional integro-differential equations with \(\psi\)-Caputo fractional derivative. (English) Zbl 1540.65553
Stationary Jackknife. (English) Zbl 07832526
MSC:
62F40
A new block triangular preconditioner for three-by-three block saddle-point problem. (English) Zbl 07830499
The constant solution method for solving large-scale differential Sylvester matrix equations with time invariant coefficients. (English) Zbl 1536.65042
Modified Newton-PBS method for solving a class of complex symmetric nonlinear systems. (English) Zbl 1536.65036
The extended block generalized Störmer-Cowell methods for second-order nonlinear delay-differential-algebraic equations with index-1. (English) Zbl 1536.65071
A sine transform based preconditioned MINRES method for all-at-once systems from constant and variable-coefficient evolutionary PDEs. (English) Zbl 1535.65040
An ADI Crank-Nicolson orthogonal spline collocation method for 2D parabolic problems with an interface. (English) Zbl 07824648
A low rank ODE based technique for numerical approximation of lower bounds of structured singular value. (English) Zbl 1535.65048
A variable stepsize hybrid block optimized technique for integrating a class of singularly perturbed parabolic problems. (English) Zbl 1535.65164
A block Lanczos method for large-scale quadratic minimization problems with orthogonality constraints. (English) Zbl 1535.65046
An efficient block rational Krylov solver for Sylvester equations with adaptive pole selection. (English) Zbl 1534.65063
On a family of low-rank algorithms for large-scale algebraic Riccati equations. (English) Zbl 1542.65049
MSC:
65F45
High-order half-step compact numerical approximation for fourth-order parabolic PDEs. (English) Zbl 1534.65136
Analysis of a variable metric block coordinate method under proximal errors. (English) Zbl 1533.65087
An aggregation-based two-grid method for multilevel block Toeplitz linear systems. (English) Zbl 1534.65053
Application of the Schur-Cohn theorem to the precise convergence domain for a \(p\)-cyclic SOR iteration matrix. (English) Zbl 1543.65050
A linearlized mass-conservative fourth-order block-centered finite difference method for the semilinear Sobolev equation with variable coefficients. (English) Zbl 1531.65125
Multi-parameter dimensional split preconditioner for three-by-three block system of linear equations. (English) Zbl 1537.65024
Hecke algebras for tame supercuspidal types. (English) Zbl 1535.22057
Reviewer: Egle Bettio (Venezia)
Communication avoiding block low-rank parallel multifrontal triangular solve with many right-hand sides. (English) Zbl 1535.65052
Reviewer: Frank Uhlig (Auburn)
On pseudoinverse-free block maximum residual nonlinear Kaczmarz method for solving large-scale nonlinear system of equations. (English) Zbl 1530.65052
An iterative solver for the HPS discretization applied to three dimensional Helmholtz problems. (English) Zbl 1531.65265
A coupled scheme based on uniform algebraic trigonometric tension B-Spline and a hybrid block method for Camassa-Holm and Degasperis-Procesi equations. (English) Zbl 1538.65027
Subsampling spectral clustering for stochastic block models in large-scale networks. (English) Zbl 1543.62057
MSC:
62-08
An almost-maximal residual tensor block Kaczmarz method for large tensor linear systems. (English) Zbl 1522.65046
Determining value at risk using extreme value theory on a financial data set. (English) Zbl 07908057
Cryptanalysis of Elisabeth-4. (English) Zbl 07904172
Guo, Jian (ed.) et al., Advances in cryptology – ASIACRYPT 2023. 29th international conference on the theory and application of cryptology and information security, Guangzhou, China, December 4–8, 2023. Proceedings. Part III. Singapore: Springer. Lect. Notes Comput. Sci. 14440, 256-284 (2023).
A new block by block scheme via quadrature rule of Lobatto-Gaussian for nonlinear Volterra integral equations. (English) Zbl 07878619
Meshless variational method applied to fracture mechanics with functionally graded materials. (English) Zbl 1537.74316
The implicit multistep block method with an off-step point for initial value problems of neutral delay Volterra integro-differential equations. (English) Zbl 1537.65199
An adaptive step-size optimized seventh-order hybrid block method for integrating differential systems efficiently. (English) Zbl 07828002
Sharma, Rajesh Kumar (ed.) et al., Frontiers in industrial and applied mathematics. Selected papers based on the presentations at the 4th international conference, FIAM-2021, Punjab, India, December 21–22, 2021. Singapore: Springer. Springer Proc. Math. Stat. 410, 495-508 (2023).
MSC:
76-XX
Unifying framework for accelerated randomized methods in convex optimization. (English) Zbl 07822579
Belomestny, Denis (ed.) et al., Foundations of modern statistics. Festschrift in honor of Vladimir Spokoiny. Selected contributions based on the presentations at the international conference, Berlin, Germany, November 6–8, 2019 and Moscow, Russia, November 30, 2019. Cham: Springer. Springer Proc. Math. Stat. 425, 511-561 (2023).
MSC:
62-XX
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