Results 21 to 30 of about 252,925 (275)

Some new inequalities for the minimum eigenvalue of M-matrices [PDF]

open access: yesJournal of Inequalities and Applications, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wang, Feng, Sun, De-shu
openaire   +1 more source

Precise asymptotics of small eigenvalues of reversible diffusions in the metastable regime [PDF]

open access: yes, 2005
We investigate the close connection between metastability of the reversible diffusion process X defined by the stochastic differential equation dX_t=-\nabla F(X_t) dt+\sqrt2\epsilon dW_t,\qquad \epsilon >0, and the spectrum near zero of its generator -L_{
Eckhoff, Michael
core   +2 more sources

Bounds on the Minimum Edge Dominating Energy in Terms of Some Parameters of a Graph [PDF]

open access: yesMathematics Interdisciplinary Research, 2023
‎The minimum edge dominating energy‎, ‎denoted by $EE_{F}(G)$‎, ‎is the sum of the absolute values of eigenvalues of the minimum edge dominating matrix of graph $G$‎.
Fateme Movahedi
doaj   +1 more source

Stability Analysis of a Rigid Body with Attached Geometrically Nonlinear Rod by the Energy-Momentum Method [PDF]

open access: yes, 1989
This paper applies the energy-momentum method to the problem of nonlinear stability of relative equilibria of a rigid body with attached flexible appendage in a uniformly rotating state.
Marsden, J. E.   +2 more
core   +1 more source

Strong "quantum" chaos in the global ballooning mode spectrum of three-dimensional plasmas [PDF]

open access: yes, 2015
The spectrum of ideal magnetohydrodynamic (MHD) pressure-driven (ballooning) modes in strongly nonaxisymmetric toroidal systems is difficult to analyze numerically owing to the singular nature of ideal MHD caused by lack of an inherent scale length.
Ball, Rowena, Cuthbert, P, Dewar, Robert
core   +1 more source

Some Bounds on Eigenvalues of the Hadamard Product and the Fan Product of Matrices

open access: yesMathematics, 2019
In this paper, an upper bound on the spectral radius ρ ( A ∘ B ) for the Hadamard product of two nonnegative matrices (A and B) and the minimum eigenvalue τ ( C ★ D ) of the Fan product of two M-matrices (C and D) are researched.
Qianping Guo   +3 more
doaj   +1 more source

Cooperative Spectrum Sensing Algorithm Based on Double Eigenvalue Limiting Distribution

open access: yesDianxin kexue, 2014
A spectrum sensing algorithm using double eigenvalue limiting(DEL)distributions was presented. The difference between the maximum and the minimum eigenvalue was exploited as the test statistic.
Zhijin zhao, Weikang Hu, Haiquan Wang
doaj   +2 more sources

Some new bounds of the minimum eigenvalue for the Hadamard product of an M-matrix and an inverse M-matrix

open access: yesOpen Mathematics, 2016
Some convergent sequences of the lower bounds of the minimum eigenvalue for the Hadamard product of a nonsingular M-matrix B and the inverse of a nonsingular M-matrix A are given by using Brauer’s theorem.
Zhao Jianxing, Sang Caili
doaj   +1 more source

Two new lower bounds for the minimum eigenvalue of M-tensors

open access: yesJournal of Inequalities and Applications, 2016
Two new lower bounds for the minimum eigenvalue of an irreducible M-tensor are given. It is proved that the new lower bounds improve the corresponding bounds obtained by He and Huang (J. Inequal. Appl. 2014:114, 2014).
Jianxing Zhao, Caili Sang
doaj   +1 more source

On the minimum output entropy of random orthogonal quantum channels

open access: yes, 2017
We consider sequences of random quantum channels defined using the Stinespring formula with Haar-distributed random orthogonal matrices. For any fixed sequence of input states, we study the asymptotic eigenvalue distribution of the outputs through tensor
Fukuda, Motohisa, Nechita, Ion
core   +3 more sources

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