Results 31 to 40 of about 134,349 (198)
Asymptotic approximation of eigenvalues of vector equations [PDF]
, 2005 A vectorial extension of the Keller-Rubinow method of computing asymptotic approximations of eigenvalues in bounded domains is presented. The method is applied to the problem of a multimode step-profile cylindrical optical fibre, including the effects ...
Chapman, Stephen +4 more
core +2 more sources
ISI spectral radii and ISI energies of graph operations
Frontiers in Physics, 2023 Graph energy is defined to be the p-norm of adjacency matrix associated to the graph for p = 1 elaborated as the sum of the absolute eigenvalues of adjacency matrix.
Ahmad Bilal +3 more
doaj +1 more source
Bounds for Degree-Sum adjacency eigenvalues of a graph in terms of Zagreb indices [PDF]
Computer Science Journal of Moldova, 2021 For a graph $G$ the degree sum adjacency matrix $DS_A(G)$ is defined as a matrix, in which every element is sum of the degrees of the vertices if and only if the corresponding vertices are adjacent, otherwise it is zero.
Sumedha S. Shinde +3 more
doaj
Физика волновых процессов и радиотехнические системы, 2023 The article is devoted to the analysis of electrodynamic properties elliptical frame structure. Taking into account double symmetry internal problem of electrodynamics for the structure under consideration in the framework of the thin-wire approximation ...
Dmitry P. Tabakov, Andrey G. Mayorov
doaj +1 more source
The main eigenvalues of a graph: a survey [PDF]
, 2007 We survey results relating main eigenvalues and main angles to the structure of a graph. We provide a number of short proofs, and note the connection with star partitions.
Peter Rowlinson, Rowlinson, Peter
core +1 more source
Eigenvalue inequalities for the buckling problem of the drifting Laplacian of arbitrary order
Advances in Nonlinear Analysis, 2022 In this paper, we investigate the buckling problem of the drifting Laplacian of arbitrary order on a bounded connected domain in complete smooth metric measure spaces (SMMSs) supporting a special function, and successfully obtain a general inequality for
Du Feng +3 more
doaj +1 more source
On the Properties of r-Circulant Matrices Involving Generalized Fermat Numbers
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2023 -circulant matrices have applied in numerical computation, signal processing, coding theory, etc. In this study, our main goal is to investigate the r-circulant matrices of generalized Fermat numbers which are shown by We obtain the eigenvalues ...
Engin Özkan, Engin Eser, Bahar Kuloǧlu
doaj +1 more source
Fourier transform, null variety, and Laplacian's eigenvalues [PDF]
, 2009 We consider a quantity κ(Ω)—the distance to the origin from the null variety of the Fourier transform of the characteristic function of Ω. We conjecture, firstly, that κ(Ω) is maximised, among all convex balanced domains of a fixed volume, by a ball ...
Benguria, Rafael +2 more
core +1 more source
Engineering ProceedingsQuick User Datagram Protocol Internet Connection (QUIC) is a modern transport protocol leveraging the User Datagram Protocol (UDP) to improve latency, security, and mobility.
Zoltan Gal +2 more
doaj +1 more source
Nihon Kikai Gakkai ronbunshu, 2019 A numerical calculation scheme for stress and its consistent tangent moduli with hyper-dual numbers(HDN) for Ogden-type hyperelastic material model was proposed.
Masaki FUJIKAWA +5 more
doaj +1 more source