Results 1 to 10 of about 910 (152)
Schur Complement-Based Infinity Norm Bound for the Inverse of Dashnic-Zusmanovich Type Matrices [PDF]
Mathematics, 2023 It is necessary to explore more accurate estimates of the infinity norm of the inverse of a matrix in both theoretical analysis and practical applications.
Wenlong Zeng, Jianzhou Liu, Hongmin Mo
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Hypocoercivity with Schur complements
Annales Henri Lebesgue, 2020 We propose an approach to obtaining explicit estimates on the resolvent of hypocoercive operators by using Schur complements, rather than from an exponential decay of the evolution semigroup combined with a time integral. We present applications to Langevin-like dynamics and Fokker–Planck equations, as well as the linear Boltzmann equation (which is ...
E. Bernard +3 more
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Schur complements and Banachiewicz-Schur forms
The Electronic Journal of Linear Algebra, 2005 Through the matrix rank method, this paper gives necessary and sufficient conditions for a partitioned matrix to have generalized inverses with Banachiewicz-Schur forms. In addition, this paper investigates the idempotency of generalized Schur complements in a partitioned idempotent matrix.
Yongge Tian, Yoshio Takane
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The disc separation and the eigenvalue distribution of the Schur complement of nonstrictly diagonally dominant matrices [PDF]
Journal of Inequalities and Applications, 2017 The result on the Geršgorin disc separation from the origin for strictly diagonally dominant matrices and their Schur complements in (Liu and Zhang in SIAM J. Matrix Anal. Appl. 27(3):665-674, 2005) is extended to nonstrictly diagonally dominant matrices
Cheng-yi Zhang +3 more
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Special Matrices, 2017 We obtain explicit interrelations between new Dyukarev-Stieltjes matrix parameters and orthogonal matrix polynomials on a finite interval [a, b], as well as the Schur complements of the block Hankel matrices constructed through the moments of the ...
Choque-Rivero A.E.
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A Schur Complement Cheeger Inequality [PDF]
, 2018 Cheeger's inequality shows that any undirected graph $G$ with minimum nonzero normalized Laplacian eigenvalue $ _G$ has a cut with conductance at most $O(\sqrt{ _G})$. Qualitatively, Cheeger's inequality says that if the relaxation time of a graph is high, there is a cut that certifies this.
Aaron Schild
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Schur complement dominant operator matrices
Journal of Functional Analysis, 2023 46 ...
Borbala Gerhat
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Schur complement of general H‐matrices [PDF]
Numerical Linear Algebra with Applications, 2009 AbstractIt is well known that the Schur complement of some H‐matrices is an H‐matrix. In this paper, the Schur complement of any general H‐matrix is studied. In particular, it is proved that the Schur complement, if it exists, is an H‐matrix and the class to which the Schur complement belongs is studied.
Rafael Bru +3 more
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On block diagonal-Schur complements of the block strictly doubly diagonally dominant matrices [PDF]
Applied Mathematics and Computation, 2015 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zhuo-Hong Huang
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Oblique projections and Schur complements [PDF]
, 2000 Fil: Maestripieri, Alejandra Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Saavedra 15. Instituto Argentino de Matemática Alberto Calderón; Argentina.
Gustavo Corach +2 more
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