Results 61 to 70 of about 111 (111)

On the Hyers–Ulam–Rassias stability of functional equations in n-variables

open access: yesJournal of Mathematical Analysis and Applications, 2004
In this interesting paper the author proves the stability in the sense of Hyers-Ulam-Rassias and Găvruţa for the functional equation \[ f(\varphi(X))=\phi(X)f(X)+\psi(X) \] and the stability in the sense of R. Ger for the functional equation \[ f(\varphi(X))=\phi(X)f(X), \] where \(X\) lies in \(n\)-variables. Some applications are given.
openaire   +2 more sources

Fractional-Order Ebola-Malaria Coinfection Model with a Focus on Detection and Treatment Rate. [PDF]

open access: yesComput Math Methods Med, 2022
Zhang L   +4 more
europepmc   +1 more source

Hyers-Ulam-Rassias stability of functional equations with parameters

open access: yes
This paper explores the Hyers-Ulam stability of generalized Jensen additive and quadratic functional equations in \(β\)-homogeneous \(F\)-space, showing that approximately satisfying mappings have a unique exact approximating counterpart within a specific bound.
Zhang, Jing   +8 more
openaire   +2 more sources

A mathematical study on a fractional COVID-19 transmission model within the framework of nonsingular and nonlocal kernel. [PDF]

open access: yesChaos Solitons Fractals, 2021
Okposo NI   +4 more
europepmc   +1 more source

Theoretical and numerical analysis of novel COVID-19 via fractional order mathematical model. [PDF]

open access: yesResults Phys, 2021
Ali A   +6 more
europepmc   +1 more source

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