Results 1 to 10 of about 808,768 (351)
On a problem in eigenvalue perturbation theory [PDF]
Journal of Mathematical Analysis and Applications, 2015 We consider additive perturbations of the type $K_t=K_0+tW$, $t\in [0,1]$, where $K_0$ and $W$ are self-adjoint operators in a separable Hilbert space $\mathcal{H}$ and $W$ is bounded.
Gesztesy, Fritz +2 more
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On the Displacement of Eigenvalues When Removing a Twin Vertex [PDF]
Discussiones Mathematicae Graph Theory, 2020 Twin vertices of a graph have the same open neighbourhood. If they are not adjacent, then they are called duplicates and contribute the eigenvalue zero to the adjacency matrix.
Briffa Johann A., Sciriha Irene
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Geophysics, 2021 The explicit time-domain spectral-element method (SEM) for synthesizing seismograms hasgained tremendous credibility within the seismological community at all scales.
Chao Lyu +3 more
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Global Perturbation of Nonlinear Eigenvalues
Advanced Nonlinear Studies, 2021 This paper generalizes the classical theory of perturbation of eigenvalues up to cover the most general setting where the operator surface 𝔏:[a,b]×[c,d]→Φ0(U,V){\mathfrak{L}:[a,b]\times[c,d]\to\Phi_{0}(U,V)}, (λ,μ)↦𝔏(λ,μ){(\lambda,\mu)\mapsto\mathfrak ...
López-Gómez Julián +1 more
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Multiple perturbations of a singular eigenvalue problem [PDF]
, 2014 We study the perturbation by a critical term and a $(p-1)$-superlinear subcritical nonlinearity of a quasilinear elliptic equation containing a singular potential. By means of variational arguments and a version of the concentration-compactness principle
Matija Cencelj +2 more
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A Modal Perturbation Method for Eigenvalue Problem of Non-Proportionally Damped System [PDF]
Applied Sciences, 2020 The non-proportionally damped system is very common in practical engineering structures. The dynamic equations for these systems, in which the damping matrices are coupled, are very time consuming to solve.
Danguang Pan +4 more
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First-Order Perturbation Theory for Eigenvalues and Eigenvectors [PDF]
SIAM Review, 2020 We present first-order perturbation analysis of a simple eigenvalue and the corresponding right and left eigenvectors of a general square matrix, not assumed to be Hermitian or normal.
Anne Greenbaum +2 more
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An algorithm for the eigenvalue perturbation problem [PDF]
International Symposium on Symbolic and Algebraic Computation, 2000 Claude-Pierre Jeannerod
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Frontiers in Earth Science, 2022 The maximum time step size for the explicit finite-difference scheme complies with the Courant–Friedrichs–Lewy (CFL) stability condition, which essentially restricts the optimization and tuning of the communication-intensive massive seismic wave ...
Yingjie Gao +5 more
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Solving Singular Generalized Eigenvalue Problems by a Rank-Completing Perturbation [PDF]
SIAM Journal on Matrix Analysis and Applications, 2018 Generalized eigenvalue problems involving a singular pencil are very challenging to solve, both with respect to accuracy and efficiency. The existing package Guptri is very elegant but may sometimes be time-demanding, even for small and medium-sized ...
M. Hochstenbach, C. Mehl, Bor Plestenjak
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