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Saı̈d Abbas
Affiliation : Université de Saida Dr Moulay Tahar
- 140Publications (affiliation in Algeria)
- 225Total publications
- 2783Citations
- 24h-index
Research profile
Saı̈d Abbas has 140 indexed publications (2015–2026). Their work appears mainly in “Elsevier eBooks”, “Advances in Difference Equations” and “Developments in mathematics”. Their most cited article, “A survey on Hadamard and Hilfer fractional differential equations: Analysis and stability” (2017), has been cited 131 times. 18 of these publications date from the last three years of activity. Their work is co-authored with at least 12 researchers, including institutions in Saudi Arabia, Spain, China.
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Create my free profile Add my publicationsResearch areas
- Nonlinear Differential Equations Analysis
- Fuzzy Systems and Optimization
- Fractional Differential Equations Solutions
- Differential Equations and Boundary Problems
- Fixed Point Theorems Analysis
Publications (140)
- Caputo–Hadamard Fractional Differential Equations with Random Effects in Fréchet Spaces
- Coupled systems of conformable fractional differential equations
- Oscillation and nonoscillation results for fractional q-difference equations and inclusions
- Coupled Caputo–Hadamard fractional differential systems in generalized Banach spaces
- Preliminary background
- Coupled fractional difference systems
- Coupled Hilfer–Hadamard fractional differential systems in generalized Banach spaces
- Ulam stability for fractional difference equations
- Caputo fractional difference inclusions
- A Filippov's theorem and topological structure of solution sets for fractional q-difference inclusions
- Introduction
- On ψ-Caputo fractional differential equations in Banach spaces
- Caputo fractional difference equations in Banach spaces
- Ulam stability for ψ-Caputo fractional differential equations and systems
- Monotone iterative technique for ψ-Caputo fractional differential equations
- Impulsive fractional difference equations
- Initial Value Problem for Hybrid Improved Conformable Fractional Differential Equations with Retardation and Anticipation
- Implicit Impulsive Conformable Fractional Differential Equations with Infinite Delay
- Functional k-Generalized Ψ-Hilfer Fractional Differential Equations in b-Metric Spaces
- New Stability Results for Abstract Fractional Differential Equations with Delay and Non-Instantaneous Impulses
- Lakshmikantham Monotone Iterative Principle for Hybrid Atangana-Baleanu-Caputo Fractional Differential Equations
- Uniqueness and Ulam stability for implicit fractional q-difference equations via Picard operators theory
- Uniqueness and Ulam stability for implicit fractional q-difference equations via Picard operators theory
- Implicit Caputo-Fabrizio fractional differential equations with delay
- Existence and global stability results for Volterra type fractional Hadamard-Stieltjes partial integral equations
- Implicit Caputo-Katugampola Fractional Problems with Infinite Delay and Impulses
- A Study on Some Conformable Fractional Problems with Delay in b-Metric Spaces
- Fractional Differential Equations and Inclusions
- Global stability results for Volterra–Hadamard random partial fractional integral equations
- On implicit fractional q‐difference equations: Analysis and stability
- On Implicit Impulsive Conformable Fractional Differential Equations with Infinite Delay in b-Metric Spaces
- A Filippov's Theorem and Topological Structure of Solution Sets for Fractional q-Difference Inclusions
- Existence of Concave Positive Solutions for Nonlinear Fractional Differential Equation with p-Laplacian Operator
- Periodic solutions of nonlinear fractional pantograph integro-differential equations with $$\Psi -$$Caputo derivative
- Successive Approximations for Caputo-Fabrizio Fractional Differential Equations
- Conformable Fractional Differential Equations in B-Metric Spaces
- Existence theory for implicit fractional q-difference equations in Banach spaces
- Impulsive Caputo-Fabrizio fractional differential equations inb-metric spaces
- Caputo–Fabrizio fractional differential equations with non instantaneous impulses
- Terminal Value Problem for Implicit Katugampola Fractional Differential Equations in b -Metric Spaces
- Initial value problems for Caputo-Fabrizio implicit fractional differential equations in b-metric spaces
- Existence and attractivity results for ѱ-Hilfer hybrid fractional differential equations
- Oscillation and Nonoscillation Results for the Caputo Fractional q-Difference Equations and Inclusions
- Caputo-Hadamard implicit fractional differential equations with delay
- Impulsive Implicit Caputo Fractional q-Difference Equations in Finite- and Infinite-Dimensional Banach Spaces
- Existence and oscillatory results for Caputo-Fabrizio fractional differential equations and inclusions
- Successive approximations for random coupled Hilfer fractional differential systems
- Dynamics and Ulam Stability for Fractional q -Difference Inclusions via Picard Operators Theory
- Periodic Mild Solutions of Infinite Delay not Instantaneous Impulsive Evolution Inclusions
- Existence and attractivity results for \(\psi\)-Hilfer hybrid fractional differential equations
- Hilfer-Hadamard Fractional Differential Equations; Existence and Attractivity
- Instantaneous and Noninstantaneous Impulsive Integrodifferential Equations in Banach Spaces
- Fractional q-Difference Inclusions in Banach Spaces
- Boundary Value Problem for Caputo–Fabrizio Random Fractional Differential Equations
- Fractional ${q}$-difference equations on the half line
- Caputo-Fabrizio fractional differential equations in Frechet spaces
- Coupled implicit Caputo fractional q-difference systems
- Existence and Ulam stability for implicit fractional q-difference equations
- Random Coupled Hilfer and Hadamard Fractional Differential Systems in Generalized Banach Spaces
- Existence and Attractivity Results for Hilfer Fractional Differential Equations
- Caputo–Hadamard fractional differential Cauchy problem in Fréchet spaces
- Hilfer and Hadamard random fractional differential equations in Fréchet spaces
- Upper and lower solutions method for Caputo-Hadamard fractional differential inclusions
- Caputo-Hadamard Fractional Differential Equations in Banach Spaces
- Coupled Hilfer fractional differential systems with random effects
- Implicit coupled Hilfer–Hadamard fractional differential systems under weak topologies
- Coupled Pettis-Hadamard Fractional Differential Systems with Retarded and Advanced Arguments
- Existence and Attractivity Results for Coupled Systems of Nonlinear Volterra–Stieltjes Multidelay Fractional Partial Integral Equations
- Fractional differential inclusions of Hilfer type under weak topologies in Banach spaces
- Some existence results and stability concepts for partial fractional random integral equations with multiple delay
- Global attractivity for Volterra type Hadamard fractional integral equations in Fréchet spaces
- On a System of Volterra Type Hadamard Fractional Integral Equations in Fréchet Spaces
- Random evolution equations in Frechet spaces
- Evolution equations in Fréchet spaces
- A survey on Hadamard and Hilfer fractional differential equations: Analysis and stability
- Existence and Ulam stability for fractional differential equations of Hilfer-Hadamard type
- Ulam Stability for Hilfer Type Fractional Differential Inclusions Via the Weakly Picard Operators Theory
- Hilfer and Hadamard Functional Random Fractional Differential Inclusions
- Stability results for fractional differential equations with state-dependent delay and not instantaneous impulses
- Weak solutions for partial Pettis Hadamard fractional integral equations with random effects
- Stability results for partial fractional differential equations with noninstantaneous impulses
- Weak Solutions for a Coupled System of Partial Pettis Hadamard Fractional Integral Equations
- Weak Solutions for Partial Random Hadamard Fractional Integral Equations with Multiple Delays
- Existence and stability results for partial implicit fractional differential equations with not instantaneous impulses
- Partial Hadamard-Stieltjes Fractional Integral Equations in Banach Spaces
- Ulam stabilities for partial Hadamard fractional integral equations
- Existence and Ulam stabilities for Hadamard fractional integral equations with random effects
- WITHDRAWN: Global convergence of successive approximations for partial Hadamard integral equations and inclusions
- Upper and lower solutions method for partial discontinuous fractional differential inclusions with not instantaneous impulses
- Advanced Functional Evolution Equations and Inclusions
- New Stability Results for Partial Fractional Differential Inclusions with Not Instantaneous Impulses
- Existence and Stability of Solutions for Hadamard-Stieltjes Fractional Integral Equations
- Global existence and stability results for partial fractional random differential equations
- Upper and lower solutions method for partial Hadamard fractional integral equations and inclusions
- New existence and stability results for partial fractional differential inclusions with multiple delay
- Impulsive Semi-linear Functional Differential Equations
- Partial Functional Evolution Inclusions with Finite Delay
- Existence and attractivity for the Darboux problem of fractional order neutral differential equations
- Asymptotic behavior of fractional order Riemann-Liouville Volterra-Stieltjes integral equations
- Partial Functional Evolution Equations with Finite Delay
Publication venues
- Elsevier eBooks × 14
- Advances in Difference Equations × 6
- Developments in mathematics × 4
- Letters in Nonlinear Analysis and its Applications × 3
- Mathematics × 3
- Rendiconti del Circolo Matematico di Palermo Series 2 × 3
Publications per year
- 20261
- 202417
- 20239
- 202210
- 202113
- 20206
- 20197
- 201811
- 201711
- 20164
Collaborations
Partner institutions : Université Djilali de Sidi Bel Abbès · King Abdulaziz University · Hassiba Benbouali University of Chlef · University of Abou Bekr Belkaïd · Xiangtan University
Co-authors’ countries : Saudi Arabia · Spain · China
Co-authors
- Mouffak Benchohra
- Abdelkrim Salım
- Salim Krim
- Jamal Eddine Lazreg
- Maamar Benbachir
- Nadjet Laledj
- Fatima Si Bachir
- Naima Hamidi
- Amaria ARARA
- Boualem Attou Slimani
- Farida Berhoun
- Yong Zhou
Bibliographic data from OpenAlex (open database).
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