Results 21 to 30 of about 588 (178)

Best possible gronwall inequalities

open access: yesMathematical and Computer Modelling, 1997
The authors have obtained upper estimates on the inequalities of the form \[ u_{n+ 1}\leq T_n\{u\},\quad n= 1,2,\dots, \] by using the monotonicity of the operators involved. The mathematical induction is used to establish the results in the paper.
Magnucka-Blandzi, E.   +2 more
openaire   +2 more sources

A Gronwall-type Trigonometric Inequality [PDF]

open access: yesThe American Mathematical Monthly, 2018
We prove that the absolute value of the $n$th derivative of $\cos(\sqrt{x})$ does not exceed $n!/(2n)!$ for all $x>0$ and $n = 0,1,\ldots$ and obtain a natural generalization of this inequality involving the analytic continuation of $\cos(\sqrt{x})$.
openaire   +2 more sources

On the Hyers-Ulam Stability of Differential Equations of Second Order

open access: yesAbstract and Applied Analysis, 2014
By using of the Gronwall inequality, we prove the Hyers-Ulam stability of differential equations of second order with initial conditions.
Qusuay H. Alqifiary, Soon-Mo Jung
doaj   +1 more source

Robust finite-time stability of neutral fractional time-delay systems

open access: yes上海师范大学学报. 自然科学版, 2020
This paper is devoted to investigating the robust finite-time stability issue of neutral fractionalorder system. Based on the generalized Bellman-Gronwall inequality, a new sufficient condition is established for the particular class of neutral ...
ZHANG Li, GAO Cunchen, REN Qifeng
doaj   +1 more source

A new approach to interval-valued inequalities

open access: yesAdvances in Difference Equations, 2020
The objective of this work is to advance and simplify the notion of Gronwall’s inequality. By using an efficient partial order and concept of gH-differentiability on interval-valued functions, we investigate some new variants of Gronwall type ...
Awais Younus   +4 more
doaj   +1 more source

Concept and application of interval-valued fractional conformable calculus

open access: yesAlexandria Engineering Journal, 2022
This paper introduces a new concept of Caputo type interval-valued fractional conformable calculus. Based on this, some theorems and properties related to fractional conformable calculus are presented.
Lihong Zhang   +3 more
doaj   +1 more source

Generalizations of Gronwall–Bihari inequalities on time scales [PDF]

open access: yesJournal of Difference Equations and Applications, 2009
This is a preprint of an article accepted (16/May/2008) for publication in the "Journal of Difference Equations and Applications"; J. Difference Equ. Appl.
Ferreira, R.A.C., Torres, D.F.M.
openaire   +3 more sources

Fractional Crank-Nicolson-Galerkin Finite Element Methods for Nonlinear Time Fractional Parabolic Problems with Time Delay

open access: yesJournal of Function Spaces, 2021
A linearized numerical scheme is proposed to solve the nonlinear time-fractional parabolic problems with time delay. The scheme is based on the standard Galerkin finite element method in the spatial direction, the fractional Crank-Nicolson method, and ...
Lili Li, Mianfu She, Yuanling Niu
doaj   +1 more source

New finite-time stability result for a class of Itô-Doob stochastic fractional order systems

open access: yesAlexandria Engineering Journal, 2023
In this article, we study the Finite-Time Stability (FTS) of Linear Stochastic Fractional Differential Equations of Itô-Doob Type with Delay (LSFDEIDTwD) for a derivative order ρ∈(0,1).
Hassen Arfaoui   +3 more
doaj   +1 more source

Gronwall's Inequality in n Independent Variables [PDF]

open access: yesProceedings of the American Mathematical Society, 1973
The paper presents an extension of Gronwall's inequality to n independent variables. The inequality is established by solving a characteristic initial value problem by the Riemann method. Thus a Riemann function associated with a hyperbolic partial differential equation appears in the inequality.
openaire   +1 more source

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