Results 91 to 100 of about 1,463 (129)

Expansion of eigenvalues of the perturbed discrete bilaplacian. [PDF]

open access: yesMon Hefte Math, 2022
Kholmatov SY   +2 more
europepmc   +1 more source

The invertibility for linear combinations of bounded linear operators with closed range

open access: yes, 2017
In this paper, it is given that the sufficient and necessary conditions for the invertibility of linear combinations of bounded linear operators with closed range. Furthermore, some related results are obtained. Mathematics subject classification (2010):
Guojun Hai, C. Bao, Alatancang Chen
semanticscholar   +1 more source

Study of weighted elliptic composition operators on the unit ball of ℂN

open access: yesConcrete Operators
We study the general properties, point spectrum and spectrum of a weighted composition operator Wm,φ{W}_{m,\varphi } with elliptic symbol φ\varphi on the unit ball BN{{\mathbb{B}}}_{N} of CN{{\mathbb{C}}}^{N}, and general weight m∈Hol(BN)m\in {\rm{Hol}}\
Oger Lucas
doaj   +1 more source

Optimal vaccination: various (counter) intuitive examples. [PDF]

open access: yesJ Math Biol, 2023
Delmas JF, Dronnier D, Zitt PA.
europepmc   +1 more source

Existence and stability of solution for time-delayed nonlinear fractional differential equations

open access: yesApplied Mathematics in Science and Engineering
The objective of this study is to analyze the existence and stability of solutions for a mathematical model of nonlinear systems of time-delayed fractional differential equations involving Atangana-Baleanu-Caputo ([Formula: see text]) fractional ...
Shiferaw Geremew Kebede   +1 more
doaj   +1 more source

Resolvent estimates for 2-dimensional perturbations of plane Couette flow

open access: yesElectronic Journal of Differential Equations, 2002
We present results concerning resolvent estimates for the linear operator associated with the system of differential equations governing 2 dimensional perturbations of plane Couette flow.
Pablo Braz e Silva
doaj  

Perron-Frobenius and Krein-Rutman theorems for tangentially positive operators

open access: yesOpen Mathematics, 2012
Kanigowski Adam, Kryszewski Wojciech
doaj   +1 more source

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