A spectral approach to the Kaplansky problem
Mostafa Mbekhta, Jaroslav Zemánek (2007)
Banach Center Publications
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Displaying similar documents to “Machine Computation Using the Exponentially Convergent Multiscale Spectral Generalized Finite Element Method”
A spectral approach to the Kaplansky problem
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Spectral estimates of vibration frequencies of anisotropic beams
Luca Sabatini (2023)
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The use of one theorem of spectral analysis proved by Bordoni on a model of linear anisotropic beam proposed by the author allows the determination of the variation range of vibration frequencies of a beam in two typical restraint conditions. The proposed method is very general and allows its use on a very wide set of problems of engineering practice and mathematical physics.
The Direct and Inverse Spectral Problems for some Banded Matrices
Zagorodnyuk, S. M. (2011)
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2000 Mathematics Subject Classification: 15A29. In this paper we introduced a notion of the generalized spectral function for a matrix J = (gk,l)k,l = 0 Ґ, gk,l О C, such that gk,l = 0, if |k-l | > N; gk,k+N = 1, and gk,k-N № 0. Here N is a fixed positive integer. The direct and inverse spectral problems for such matrices are stated and solved. An integral representation for the generalized spectral function is obtained.
Spectral properties of the adjoint operator and applications.
Benalili, Mohammed, Lansari, Azzedine (2005)
Lobachevskii Journal of Mathematics
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An up-spectral space need not be -spectral.
Echi, Othman, Gargouri, Riyadh (2004)
The New York Journal of Mathematics [electronic only]
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A sharp upper bound for the spectral radius of a nonnegative matrix and applications
Lihua You, Yujie Shu, Xiao-Dong Zhang (2016)
Czechoslovak Mathematical Journal
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We obtain a sharp upper bound for the spectral radius of a nonnegative matrix. This result is used to present upper bounds for the adjacency spectral radius, the Laplacian spectral radius, the signless Laplacian spectral radius, the distance spectral radius, the distance Laplacian spectral radius, the distance signless Laplacian spectral radius of an undirected graph or a digraph. These results are new or generalize some known results.
The upper estimate of the spectral radius of the isotonic operator in the space of continuous functions.
Rakhmatullina, L.F. (1997)
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Spectral Methods for Exterior Elliptic Problems.
C. Canuto, S.I. Hariharan, L. Lustman (1985)
Numerische Mathematik
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Spectral radius and seminorms in finite-dimensional algebras. II
Robert Grone, Peter D. Johnson, Jr. (1982)
Colloquium Mathematicae
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Spectral radius and seminorms in finite-dimensional algebras
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International Journal of Mathematics and Mathematical Sciences
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Superconvexity of the Spectral Radius, and Convexity of the Spectral Bound and the Type.
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On the spectral Nevanlinna-Pick problem
Constantin Costara (2005)
Studia Mathematica
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We give several characterizations of the symmetrized n-disc Gₙ which generalize to the case n ≥ 3 the characterizations of the symmetrized bidisc that were used in order to solve the two-point spectral Nevanlinna-Pick problem in ℳ ₂(ℂ). Using these characterizations of the symmetrized n-disc, which give necessary and sufficient conditions for an element to belong to Gₙ, we obtain necessary conditions of interpolation for the general spectral Nevanlinna-Pick problem. They also allow us...