Relationships between the discrete Riemann-Liouville and Liouville-Caputo fractional differences and their associated convexity results

JLG Guirao, PO Mohammed, HM Srivastava… - 2022 - earsiv.cankaya.edu.tr
In this study, we have presented two new alternative definitions corresponding to the basic
definitions of the discrete delta and nabla fractional difference operators. These definitions …

[PDF][PDF] On analysing discrete sequential operators of fractional order and their monotonicity results

PO Mohammed, MY Almusawa - AIMS Math, 2023 - aimspress.com
In this study, we consider the analysis of monotonicity for the Riemann-Liouville fractional
differences of sequential type. The results are defined on the subsets of (0, 1)×(0, 1) with a …

New classifications of monotonicity investigation for discrete operators with Mittag-Leffler kernel

PO Mohammed, CS Goodrich, AB Brzo, D Baleanu… - 2022 - earsiv.cankaya.edu.tr
This paper deals with studying monotonicity analysis for discrete fractional operators with
Mittag-Leffler in kernel. The ν-monotonicity definitions, namely ν-(strictly) increasing and ν …

Positivity analysis for mixed order sequential fractional difference operators

PO Mohammed, D Baleanu, T Abdeljawad, SK Sahoo… - 2023 - earsiv.cankaya.edu.tr
We consider the positivity of the discrete sequential fractional operators (RL a0+ 1∇ ν1
defined on the set D1 (see (1.1) and Figure 1) and (RL a0+ 2∇ ν1 RL a0∇ ν2 f)(τ) RL a0∇ …

Analysing discrete fractional operators with exponential kernel for positivity in lower boundedness

SA Mahmood, PO Mohammed, D Baleanu, H Aydi… - 2022 - earsiv.cankaya.edu.tr
In this paper we study the positivity analysis problems for discrete fractional operators with
exponential kernel, namely the discrete Caputo-Fabrizio operators. The results are applied …

[PDF][PDF] Positivity and monotonicity results for discrete fractional operators involving the exponential kernel

PO Mohammed, HM Srivastava, SA Mahmood… - Math. Biosci …, 2022 - aimspress.com
This work deals with the construction and analysis of convexity and nabla positivity for
discrete fractional models that includes singular (exponential) kernel. The discrete fractional …

Analytical results for positivity of discrete fractional operators with approximation of the domain of solutions

PO Mohammed, D O'Regan, D Baleanu, YS Hamed… - 2022 - earsiv.cankaya.edu.tr
We study the monotonicity method to analyse nabla positivity for discrete fractional operators
of Riemann-Liouville type based on exponential kernels, where (CFR c0 r∇ F)(t)>-ϵ λ (θ-1) …

Monotonicity and extremality analysis of difference operators in Riemann-Liouville family

PO Mohammed, D Baleanu, T Abdeljawad… - 2023 - earsiv.cankaya.edu.tr
In this paper, we will discuss the monotone decreasing and increasing of a discrete
nonpositive and nonnegative function defined on Nr0+ 1, respectively, which come from …

Analysis of positivity results for discrete fractional operators by means of exponential kernels

PO Mohammed, D O'regan, AB Brzo, KM Abualnaja… - 2022 - earsiv.cankaya.edu.tr
In this study, we consider positivity and other related concepts such as α− convexity and α−
monotonicity for discrete fractional operators with exponential kernel. Namely, we consider …