Results 21 to 30 of about 9,795 (293)

Maxwell’s Equations in Homogeneous Spaces for Admissible Electromagnetic Fields

open access: yesUniverse, 2022
Maxwell’s vacuum equations are integrated for admissible electromagnetic fields in homogeneous spaces. Admissible electromagnetic fields are those for which the space group generates an algebra of symmetry operators (integrals of motion) that is ...
Valery V. Obukhov
doaj   +1 more source

Characterization of admissible linear estimators under extended balanced loss function [PDF]

open access: yes, 2021
summary:In this paper, we study the admissibility of linear estimator of regression coefficient in linear model under the extended balanced loss function (EBLF).
Mirezi, Buatikan   +1 more
core   +1 more source

Some remarks on the Boyd functions related to the admissible sequences [PDF]

open access: yes, 2022
peer reviewedIn this paper, we discuss the existing relations between the Boyd functions and the admissible sequences, with a particular interest to the Boyd indices.
Lamby, Thomas, Nicolay, Samuel
core   +1 more source

On the surjectivity of linear transformations

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1996
Let B be a reflexive Banach space, X a locally convex space and T:B→X (not necessarily bounded) linear transformation. A necessary and sufficient condition is obtained so that for a given v∈X there is a solution for the equation Tu=v. This result is used
M. Damlakhi, V. Anandam
doaj   +1 more source

Admissible Banach Function Spaces and Nonuniform Stabilities [PDF]

open access: yesMediterranean Journal of Mathematics, 2020
For nonuniform exponentially bounded evolution families defined on Banach spaces, we introduce a class of Banach function spaces, whose norms are completely determined by the nonuniform behaviour of the corresponding evolution family. We generalize a classical theorem of Datko on these spaces.
Nicolae Lupa, Liviu Horia Popescu
openaire   +3 more sources

Geometry of Admissible Curves of Constant-Ratio in Pseudo-Galilean Space

open access: yesInternational Journal of Analysis and Applications, 2023
An admissible curve of a pseudo-Galilean space is said to be of constant-ratio if the ratio of the length of the tangent and normal components of its position vector function is a constant.
M. Khalifa Saad   +2 more
doaj   +1 more source

Admissible limits of $M$-subharmonic functions.

open access: yesMichigan Mathematical Journal, 1985
The boundary behavior of M-subharmonic functions (i.e. subsolutions to the invariant Laplacian) on the unit ball in \(C^ n\) is studied. A theorem concerning the radial limits of M-subharmonic functions has been proved by \textit{D. Ullrich} [Möbius-invariant potential theory in the unit ball of \(C^ n\), Thesis Univ. Wisconsin-Madison (1981)].
Cima, J. A., Stanton, C. S.
openaire   +2 more sources

Some subordination involving polynomials induced by lower triangular matrices

open access: yesAdvances in Difference Equations, 2020
The article considers several polynomials induced by admissible lower triangular matrices and studies their subordination properties. The concept generalizes the notion of stable functions in the unit disk.
Saiful R. Mondal   +2 more
doaj   +1 more source

Canonical functions of admissible measures in the half-plane

open access: yes, 2021
For a gamma-admissible measure lambda in the upper half-plane, we introduce the notion of canonical function, generalizing the canonical Nevanlinna product for analytic functions of finite order in the half-plane.
Kozlova, I. I.   +2 more
core   +1 more source

Rational CFT with three characters: the quasi-character approach

open access: yesJournal of High Energy Physics, 2020
Quasi-characters are vector-valued modular functions having an integral, but not necessarily positive, q-expansion. Using modular differential equations, a complete classification has been provided in arXiv:1810.09472 for the case of two characters ...
Sunil Mukhi, Rahul Poddar, Palash Singh
doaj   +1 more source

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