Results 81 to 90 of about 147 (142)

Static spectra and static families of Fredholm-type operators under tensor product

open access: yesArab Journal of Basic and Applied Sciences
In this study, we introduce the static spectrum, the Weyl static families, the upper semi-Fredholm static families, and the Browder static families. These families consist of bounded linear operators parameterized by a scalar variable.
Elvis Aponte
doaj   +1 more source

Fredholm theory in ordered Banach algebras

open access: yes, 2016
This paper illustrates some initial steps taken in the effort of unifying the theory of positivity in ordered Banach algebas (OBAs) with the general Fred-holm theory in Banach algebras.
Benjamin, Ronalda, Mouton, Sonja
core  

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

EIGENVALUE PROBLEM MEETS SIERPINSKI TRIANGLE: COMPUTING THE SPECTRUM OF A NON-SELF-ADJOINT RANDOM OPERATOR

open access: yes, 2020
. The purpose of this paper is to prove that the spectrum of the non-self-adjoint oneparticle Hamiltonian proposed by J. Feinberg and A. Zee (Phys. Rev. E 59 (1999), 6433-6443) has interior points.

core  

Design computationnel et ingénierie de transglycosylases pour la synthèse d'oligosaccharides

open access: yes, 2015
Chemical synthesis of complex oligosaccharides still remains critical. Enzymes have emerged as powerful tools to circumvent chemical boundaries of glycochemistry.
Verges, Alizee
core   +2 more sources

© Hindawi Publishing Corp. A FORMULA FOR THE INNER SPECTRAL RADIUS

open access: yes, 2003
This note presents an asymptotic formula for the minimum of the moduli of the elements in the spectrum of a bounded linear operator acting on Banach space X.
S. Mahmoud Manjegani
core  

The basic propositions on defect numbers, root numbers and indices of linear operators [PDF]

open access: yes, 2020
: In this work, we use the notion of the measure of noncompactness in order to establish some results concerning the class of semi-Fredholm and Fredholm operators.
Weidmann   +13 more
core  

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

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

Discrete random electromagnetic Laplacians

open access: yes, 1995
We consider discrete random magnetic Laplacians in the plane and discrete random electromagnetic Laplacians in higher dimensions. The existence of these objects relies on a theorem of Feldman-Moore which was generalized by Lind to the nonabelian case ...
Oliver Knill
core  

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