## Found 1,004 Documents (Results 1–100)

MSC:  65-XX
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MSC:  65-XX
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### On partial orders of operators. (English)Zbl 07638070

MSC:  06A06 47A05
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MSC:  65Fxx
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### A matrix formula for Schur complements of nonnegative selfadjoint linear relations. (English)Zbl 07597860

MSC:  47A06 47B25 47A64
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### Means and the Schur complement of sector matrices. (English)Zbl 1498.15026

MSC:  15A45 15A60 47A64
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### On the eccentricity matrices of trees: inertia and spectral symmetry. (English)Zbl 1495.05172

MSC:  05C50 05C12 15A18
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### A systematic approach to constructing preconditioners for the $$hp$$-version mass matrix on unstructured and hybrid finite element meshes. (English)Zbl 1492.65295

MSC:  65N30 65N55 65F08
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### On generalized Schur complement of matrices and its applications to real and integer matrix factorizations. (English)Zbl 1499.15042

MSC:  15A23 15B36
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### Planar potential flow on Cartesian grids. (English)Zbl 07516494

MSC:  76M23 76B10 76B47
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### Exact inverse solution techniques for a class of complex valued block two-by-two linear systems. (English)Zbl 1490.65051

MSC:  65F10 65F08 65N22
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### Spectral shift via “lateral” perturbation. (English)Zbl 07500897

MSC:  47A55 47A10 47B25
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### Some formulas on the Drazin inverse for the sum of two matrices and block matrices. (English)Zbl 1486.15005

MSC:  15A09 15A10
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### Additive inexact block triangular preconditioners for saddle point problems arising in meshfree discretization of piezoelectric equations. (English)Zbl 1482.65040

MSC:  65F08 65F10 65F50
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### Interconnected hierarchical structures for fast direct elliptic solution. (English)Zbl 1487.65031

MSC:  65F05 65N22 65Y20
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### Maps preserving Drazin invertible operator matrices with non-singular Schur complement. (English)Zbl 07488626

MSC:  47A08 47B49
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### Robust stabilised finite element solvers for generalised Newtonian fluid flows. (English)Zbl 07513794

MSC:  76Mxx 76Dxx 65Nxx
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MSC:  65-XX
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### Two-level Nyström-Schur preconditioner for sparse symmetric positive definite matrices. (English)Zbl 1491.65026

MSC:  65F08 65F50 65F55
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### An optimally-coupled multi-time stepping method for transient heat conduction simulation for additive manufacturing. (English)Zbl 07414352

MSC:  78-XX 80-XX
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### A novel semi-implicit scheme for elastodynamics and wave propagation in nearly and truly incompressible solids. (English)Zbl 1489.74057

MSC:  74S05 74J10 74B20
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### A perturbation analysis based on group sparse representation with orthogonal matching pursuit. (English)Zbl 1473.94017

MSC:  94A12 62B10
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### Cell-by-cell approximate Schur complement technique in preconditioning of meshfree discretized piezoelectric equations. (English)Zbl 07396245

MSC:  65F08 65F50
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MSC:  65F10
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### A semi-implicit direct forcing immersed boundary method for periodically moving immersed bodies: a Schur complement approach. (English)Zbl 07337780

MSC:  70-XX 65-XX
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### Bounds on the spectra of Schur complements of large H-TFETI-DP clusters for 2D Laplacian. (English)Zbl 07332757

MSC:  65N55 65N30
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### A restrictive preconditioner for the system arising in half-quadratic regularized image restoration. (English)Zbl 1464.65033

MSC:  65F08 65R32
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### Operators on anti-dual pairs: generalized Schur complement. (English)Zbl 07312126

MSC:  47B65 28A12 46K10
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### Efficient and robust Schur complement approximations in the augmented Lagrangian preconditioner for the incompressible laminar flows. (English)Zbl 07505621

MSC:  76-XX 65-XX
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### Schur complement and continuous spectrum in a kinetic plasma model. (English. Russian original)Zbl 07424596

Dokl. Math. 101, No. 3, 231-234 (2020); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 492, 70-74 (2020).
MSC:  82-XX 76-XX
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### The closure property of the Schur complement for Nekrasove matrices and its applications in solving large linear systems with Schur-based method. (English)Zbl 1476.15003

MSC:  15A06 15B99 65F10
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### On the numerical solution of a class of systems of linear matrix equations. (English)Zbl 1466.65032

MSC:  65F45 15A24
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### A domain decomposition Rayleigh-Ritz algorithm for symmetric generalized eigenvalue problems. (English)Zbl 1467.65031

MSC:  65F15 15A18 65F50
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### Distance matrix of a class of completely positive graphs: determinant and inverse. (English)Zbl 1452.05047

MSC:  05C12 05C50
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### A new formulation using the Schur complement for the numerical existence proof of solutions to elliptic problems: without direct estimation for an inverse of the linearized operator. (English)Zbl 1456.65035

MSC:  65J10 65N30 35J25
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### The quotient formulas on generalized Schur complements of positive semidefinite Hermitian matrices. (Chinese. English summary)Zbl 1463.15076

MSC:  15B57 15A09 15A10
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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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### Generalized Schur complements involving the Kronecker products of positive semidefinite matrices. (English)Zbl 1443.15015

Reviewer: Tin Yau Tam (Reno)
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### Fast factorization update for general elliptic equations under multiple coefficient updates. (English)Zbl 1442.65033

MSC:  65F05 65N22 65Y20
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### Synchronization of linear oscillators coupled through a dynamic network with interior nodes. (English)Zbl 1442.93038

MSC:  93D99 93B70
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### Uncertainty propagation in dynamic sub-structuring by model reduction integrated domain decomposition. (English)Zbl 1442.74251

MSC:  74S60 65N55
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MSC:  15B52
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### Direct global Lanczos method for large linear systems with multiple right-hand sides. (English)Zbl 1449.65056

MSC:  65F10 65F25
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### Computing recursive orthogonal polynomial with Schur complements. (English)Zbl 07193287

MSC:  65D20 33C45
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### Linear algebraic techniques for spanning tree enumeration. (English)Zbl 1437.05106

MSC:  05C30 05C05 05C50
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MSC:  65-XX
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### On some generalizations of the Brunn-Minkowski inequality. (English)Zbl 1427.15024

MSC:  15A45 15A60
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MSC:  62-XX
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### Fully dynamic spectral vertex sparsifiers and applications. (English)Zbl 1433.68291

Charikar, Moses (ed.) et al., Proceedings of the 51st annual ACM SIGACT symposium on theory of computing, STOC ’19, Phoenix, AZ, USA, June 23–26, 2019. New York, NY: Association for Computing Machinery (ACM). 914-925 (2019).
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MSC:  15A09

### Improved block preconditioners for linear systems arising from half-quadratic image restoration. (English)Zbl 1433.94016

MSC:  94A08 65F08 49N10
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### Nonlinear Dirac equation. Spectral stability of solitary waves. (English)Zbl 1442.35001

Mathematical Surveys and Monographs 244. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-4395-5/hbk; 978-1-4704-5422-7/ebook). vi, 297 p. (2019).
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### The forward order laws for $$\{1,2,3\}$$- and $$\{1,2,4\}$$-inverses of multiple matrix products. (English)Zbl 1440.47002

MSC:  47A05 15A09 15A24
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### An Anderson-Taylor type inequality via the Schur complement. (English)Zbl 1426.15030

MSC:  15A45 15A42
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### Inversion and pseudoinversion of block arrowhead matrices. (English)Zbl 1429.65054

MSC:  65F05 15A09
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### On the existence of group inverses of Peirce corner matrices. (English)Zbl 1425.15005

MSC:  15A09 15A30 65F20
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MSC:  15A09
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### The existence and representation of the Drazin inverse of a $$2 \times 2$$ block matrix over a ring. (English)Zbl 1421.15002

MSC:  15A09 16S50 05C25
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### A note on the forward order law for least square $$g$$-inverse of three matrix products. (English)Zbl 1449.15004

MSC:  15A09 15A24
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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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### Resistance distances in corona and neighborhood corona networks based on Laplacian generalized inverse approach. (English)Zbl 1414.05248

MSC:  05C76 05C85 05C12
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### Extending a refinement of Koteljanskiĭ’s inequality. (English)Zbl 1414.15025

MSC:  15A45 15A60
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### Explicit and implicit methods for shear band modeling at high strain rates. (English)Zbl 1471.74068

MSC:  74S05 74C05 74F05
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MSC:  65D05
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### The forward order laws for $$\{1,2,3\}$$- and $$\{1,2,4\}$$-inverses of a three matrix products. (English)Zbl 1478.15008

MSC:  15A09 15A24
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