Search Results - "Schur complement"

Eigenvalue Bounds for Symmetric, Multiple Saddle-Point Matrices with SPD Preconditioners.

Authors: Bergamaschi, Luca Bergamaschi, Michele

Source: Algorithms. May2026, Vol. 19 Issue 5, p359. 25p.

Characterizations and Spectral Bounds for Idempotent Perturbations of Matrices.

Authors: Laja, Amy A.¹ amylaja@msutawi-tawi.edu.ph

Source: International Journal of Mathematics & Computer Science. 2026, Vol. 21 Issue 2, p513-517. 5p.

Improved New Block Preconditioner for Solving 3 × 3 Block Saddle Point Problems.

Authors: Shao, Xin-Hui Liu, Xin-Yang

Source: Axioms (2075-1680). Mar2026, Vol. 15 Issue 3, p167. 14p.

IPRSOCP: A Primal-Dual Interior-Point Relaxation Algorithm for Second-Order Cone Programming.

Authors: Zhang, Rui-Jin Wang, Zhao-Wei Liu, Xin-Wei et al.

Source: Journal of the Operations Research Society of China. Mar2026, Vol. 14 Issue 1, p1-31. 31p.

Restricted Additive Schwarz Algorithm with Schur Complement for Bound-Preserving Solution of Geological Carbon Sequestration.

Authors: Jiang, Lei Yang, Haijian Shi, Lijuan et al.

Source: SIAM Journal on Scientific Computing. 2026, Vol. 48 Issue 3, pB440-B465. 26p.

Subjects: Schur complement, Geological carbon sequestration, Domain decomposition methods, Nonlinear equations, Carbon sequestration, Multiphase flow, Parallel programming

Efficient Parameter-Robust Preconditioners for Linear Poroelasticity and Elasticity in the Primal Formulation.

Authors: Huang, Weizhang Wang, Zhuoran

Source: SIAM Journal on Scientific Computing. 2026, Vol. 48 Issue 3, pA1536-A1563. 28p.

Subjects: Poroelasticity, Schur complement, Numerical analysis, Elasticity, Finite element method, Iterative methods (Mathematics), Krylov subspace

Bessmertnyĭ realizations of symmetric multivariate rational matrix functions over any field.

Authors: Elsinger, Jason Orzel, Ian Welters, Aaron

Source: Linear Algebra & its Applications. May2026, Vol. 737, p80-118. 39p.

Subjects: Schur complement, State-space methods, Systems theory

The Schur complement of SDD$ _1 $ matrices and its applications.

Authors: Wang, Shiyun Li, Yun Tian, Wanfu

Source: AIMS Mathematics. 2025, Vol. 10 Issue 10, p1-21. 21p.

Analysis of SLBPS node-based model by Schur complement technique.

Authors: Sunil Behal, K. Srivastava, Tanuja Gakkhar, Sunita

Source: International Journal of Computer Mathematics. Sep2025, Vol. 102 Issue 9, p1265-1293. 29p.

DIAGONAL-SCHUR COMPLEMENTS OF DASHNIC-ZUSMANOVICH TYPE MATRICES.

Authors: WANG, SHIYUN LI, YUN TIAN, WANFU et al.

Source: Journal of Mathematical Inequalities. Sep2025, Vol. 19 Issue 3, p779-792. 14p.

Preconditioning of a pollution-free discretization of the Helmholtz equation.

Authors: Monsuur, Harald¹ (AUTHOR) harald.monsuur@hotmail.com

Source: Applied Numerical Mathematics. Sep2026, Vol. 227, p169-187. 19p.

Subjects: Helmholtz equation, Schur complement, Iterative methods (Mathematics), Optimization algorithms, Discretization methods, Least squares, Error analysis in mathematics

Domain decomposition preconditioners for Schur complement systems arising in structured nonlinear optimization problems.

Authors: Lueg, Laurens R. Bynum, Michael L. Laird, Carl D. et al.

Source: Optimization & Engineering. Mar2026, Vol. 27 Issue 1, p555-585. 31p.

Subjects: Domain decomposition methods, Schur complement, Parallel programming, Mathematical optimization, Nonlinear programming, Iterative methods (Mathematics), Interior-point methods

Cauchy transforms of colored graphs in two variables.

Authors: Adlin, Lily Thai, Giovani Tiscareno, Samuel et al.

Source: Linear Algebra & its Applications. Feb2026, Vol. 731, p1-21. 21p.

Subjects: Schur complement, Mathematical complex analysis, Holomorphic functions, Mathematical singularities, Bivariate analysis, Topological graph theory, Graph coloring

Generalized Perron complements of strictly generalized doubly diagonally dominant matrices.

Authors: Zhong, Qin Li, Ling Mou, Gufang

Source: AIMS Mathematics. 2025, Vol. 10 Issue 6, p1-16. 16p.

AN EXTENSION OF A HLAWKA TYPE INEQUALITY.

Authors: HAOCHENG SUN¹ hcsun24@m.fudan.edu.cn

Source: Operators & Matrices. Jun2025, Vol. 19 Issue 2, p215-220. 6p.

The Reverse Order Law for the {1,3 M ,4 N }—The Inverse of Two Matrix Products.

Authors: Qin, Yingying Qiu, Baifeng Xiong, Zhiping

Source: Axioms (2075-1680). May2025, Vol. 14 Issue 5, p344. 18p.

Iterative Solution of Forward and Adjoint Systems Using a Nonsymmetric Saddle Point Matrix With Preconditioning.

Authors: Ayo, Samson Lambers, James V.

Source: Numerical Linear Algebra with Applications. Jun2026, Vol. 33 Issue 3, p1-28. 28p.

A Schur complement based multicoloring low-rank correction preconditioner for linear systems.

Authors: Zheng, QingQing¹ (AUTHOR) zqq.stu.xmu@hotmail.com

Source: Computational & Applied Mathematics. Jun2026, Vol. 45 Issue 5, p1-21. 21p.

Coupled Clustering in Hierarchical Matrices for the Oseen Problem.

Authors: Grams, Jonas Le Borne, Sabine

Source: International Journal for Numerical Methods in Fluids. Jun2026, Vol. 98 Issue 6, p751-765. 15p.

Novel order-dependent and time-dependent finite-time passivity results on fractional reaction–diffusion memristive neural networks.

Authors: Zhang, Weiwei Wang, Zhenjie Zhang, Hai et al.

Source: International Journal of Biomathematics. May2026, p1. 27p.