Results 11 to 20 of about 1,111,420 (338)

Mahgoub transform and Hyers-Ulam stability of nth order linear differential equations

open access: yesAIMS Mathematics, 2022
The main aim of this paper is to investigate various types of Hyers-Ulam stability of linear differential equations of $ n^{th} $ order with constant coefficients using the Mahgoub transform method.
S. Deepa   +5 more
doaj   +1 more source

Functional tetrahedron equation [PDF]

open access: yesTheoretical and Mathematical Physics, 1998
LaTeX, 16 ...
Igor G. Korepanov   +2 more
openaire   +3 more sources

The existence and uniqueness of solutions to a functional equation arising in psychological learning theory

open access: yesDemonstratio Mathematica, 2023
The paradigm of choice practice represents the psychological theory of learning in the development of moral judgment. It is concerned with evaluating the implications of several choices and selecting one of them to implement.
Turab Ali   +3 more
doaj   +1 more source

Analysis of a Class of Stochastic Animal Behavior Models under Specific Choice Preferences

open access: yesMathematics, 2022
The behavior of animals can be studied in two ways: experimentally, in labs or in the field, or theoretically, via modeling. Extensive research on animal behavior in probabilistic learning circumstances has produced findings that are consistent with so ...
Ali Turab   +4 more
doaj   +1 more source

A functional RG equation for the c-function [PDF]

open access: yesJournal of High Energy Physics, 2014
After showing how to prove the integrated c-theorem within the functional RG framework based on the effective average action, we derive an exact RG flow equation for Zamolodchikov's c-function in two dimensions by relating it to the flow of the effective average action.
Codello A, D'Odorico G, Pagani C
openaire   +6 more sources

Stability of a Bi-Jensen Functional Equation on Restricted Unbounded Domains and Some Asymptotic Behaviors

open access: yesMathematics, 2022
In this paper, we give some properties of the bi-Jensen functional equation and investigate its Hyers–Ulam stability and hyperstability. We construct a function which is bi-Jensen and is not continuous.
Jae-Hyeong Bae   +2 more
doaj   +1 more source

Analytic Embedding of Geometries of Constant Curvature on a Pseudosphere [PDF]

open access: yesИзвестия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, 2019
In mathematical studies, the geometries of maximum mobility are important. Examples of such geometries are Euclidean, pseudo-Euclidean, Lobachevsky, symplectic and so on. There is no complete classification of such geometries.
Vladimir A. Kyrov
doaj   +1 more source

On a Certain Functional Equation and Its Application to the Schwarz Problem

open access: yesMathematics, 2023
The Schwarz problem for J-analytic functions in an ellipse is considered. In this case, the matrix J is assumed to be two-dimensional with different eigenvalues located above the real axis.
Vladimir Nikolaev, Vladimir Vasilyev
doaj   +1 more source

On the Stability of Mixed Additive--Quadratic and Additive--Drygas Functional Equations [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2021
In this paper,  we have improved some of the results in [C. Choi and   B. Lee, Stability of Mixed Additive-Quadratic and Additive--Drygas Functional Equations. Results Math.  75  no. 1 (2020), Paper No. 38].
Abbas Najati   +2 more
doaj   +1 more source

Equating Schur functions

open access: yesThe European Physical Journal C, 2023
AbstractWe wonder if there is a way to make all Schur functions in all representations equal. This is impossible for fixed value of time variables, but can be achieved for averages. It appears that the corresponding measure is just Gaussian in times, which are all independent.
openaire   +3 more sources

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