[HTML][HTML] Monotonicity and positivity analyses for two discrete fractional-order operator types with exponential and Mittag–Leffler kernels

PO Mohammed, HM Srivastava, D Baleanu… - Journal of King Saud …, 2023 - Elsevier
The discrete analysed fractional operator technique was employed to demonstrate positive
findings concerning the Atangana-Baleanu and discrete Caputo-Fabrizo fractional …

Monotonicity results for nabla fractional h‐difference operators

X Liu, F Du, D Anderson, B Jia - Mathematical Methods in the …, 2021 - Wiley Online Library
In this paper, we give a new method to show the monotonicity results for a function f
satisfying (a∇ h ν f)(t)≤ 0 (or (a∇ h,∗ ν f)(t)≤ 0) with ν∈(0, 1], which has never been solved …

On the Stability of Incommensurate h-Nabla Fractional-Order Difference Systems

N Djenina, A Ouannas, TE Oussaeif, G Grassi… - Fractal and …, 2022 - mdpi.com
This work aims to present a study on the stability analysis of linear and nonlinear
incommensurate h-nabla fractional-order difference systems. Several theoretical results are …

Convexity, monotonicity, and positivity results for sequential fractional nabla difference operators with discrete exponential kernels

CS Goodrich, JM Jonnalagadda… - … Methods in the Applied …, 2021 - Wiley Online Library
We consider positivity, monotonicity, and convexity results for discrete fractional operators
with exponential kernels. Our results cover both the sequential and nonsequential cases …

On positivity and monotonicity analysis for discrete fractional operators with discrete Mittag–Leffler kernel

PO Mohammed, CS Goodrich… - … Methods in the …, 2022 - Wiley Online Library
We consider conditions under which the positivity of a fractional difference implies either
positivity, monotonicity, or convexity, and we consider both the non‐sequential and …

Analytical and numerical monotonicity results for discrete fractional sequential differences with negative lower bound

CS Goodrich, B Lyons… - … on Pure and …, 2021 - digitalcommons.unomaha.edu
We investigate the relationship between the sign of the discrete fractional sequential
difference (Δ v 1+ a-μ Δ a μ f)(t) and the monotonicity of the function t→ f (t). More precisely …

On fractional Hahn calculus

T Brikshavana, T Sitthiwirattham - Advances in Difference Equations, 2017 - Springer
On fractional Hahn calculus | Advances in Continuous and Discrete Models Skip to main content
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A Study of Positivity Analysis for Difference Operators in the Liouville–Caputo Setting

HM Srivastava, PO Mohammed, JLG Guirao… - Symmetry, 2023 - mdpi.com
The class of symmetric function interacts extensively with other types of functions. One of
these is the class of positivity of functions, which is closely related to the theory of symmetry …

Monotonicity results for sequential fractional differences of mixed orders with negative lower bound

R Dahal, CS Goodrich, B Lyons - Journal of Difference Equations …, 2021 - Taylor & Francis
We investigate the relationship between the sign of the discrete fractional sequential
difference (Δ 1+ a− μ ν Δ a μ f)(t) and the monotonicity of the function t↦ f (t) in the case …

Fractional quantum Julia set

Y Wang - Applied Mathematics and Computation, 2023 - Elsevier
This paper proposes fractional quantum Julia sets based on a fractional q-difference map
and preliminarily investigates their fractal dynamic characteristics by numerical methods and …