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Usman Riaz
Observed name:
USMAN RIAZ
Institution:
Qurtuba University of Science and Information Technology
Observed institutions:
University of Peshawar,
Qurtuba University of Science and Information Technology,
University of Buner
ORCID:
0000-0002-0231-8704
Observed ORCID:
0000-0002-0231-8704
OpenAlex ID:
A5040474871
Analysis of coupled systems of implicit impulsive fractional differential equations involving Hadamard derivatives
2019
·
Usman Riaz
, Akbar Zada
, et al.
·
Advances in Difference Equations
·
38
PDF
Hyers–Ulam stability of impulsive integral equations
2018
·
Akbar Zada
, Usman Riaz
, et al.
·
Bollettino Della Unione Matematica Italiana
·
35
Analysis of Nonlinear Coupled Systems of Impulsive Fractional Differential Equations with Hadamard Derivatives
2019
·
Usman Riaz
, Akbar Zada
, et al.
·
Mathematical Problems in Engineering
·
34
PDF
Analysis ofq‐fractional implicit boundary value problems having Stieltjes integral conditions
2020
·
Akbar Zada
, Mehboob Alam
, et al.
·
Mathematical Methods in the Applied Sciences
·
29
Analysis of (α,β)-order coupled implicit Caputo fractional differential equations using topological degree method
2020
·
Usman Riaz
, Akbar Zada
·
International Journal of Nonlinear Sciences and Numerical Simulation
·
23
PDF
On Implicit Coupled Hadamard Fractional Differential Equations with Generalized Hadamard Fractional Integro-Differential Boundary Conditions
2022
·
Limin Guo
, Usman Riaz
, et al.
·
Fractal and Fractional
·
22
PDF
Existence and Stability of Implicit Fractional Differential Equations with Stieltjes Boundary Conditions Involving Hadamard Derivatives
2021
·
Danfeng Luo
, Mehboob Alam
, et al.
·
Complexity
·
17
PDF
Existence and Hyers–Ulam Stability of Jerk-Type Caputo and Hadamard Mixed Fractional Differential Equations
2024
·
Yanli Ma
, Maryam Maryam
, et al.
·
Qualitative Theory of Dynamical Systems
·
16
Existence and Stability Results for Nonlinear Implicit Random Fractional Integro-Differential Equations
2023
·
Sumbel Shahid
, Shahid Saifullah
, et al.
·
Qualitative Theory of Dynamical Systems
·
16
Switched coupled system of nonlinear impulsive Langevin equations involving Hilfer fractional-order derivatives
2021
·
Rizwan Rizwan
, Akbar Zada
, et al.
·
International Journal of Nonlinear Sciences and Numerical Simulation
·
15
Boundary dependent sensitivity of thermo viscoelastic Rayleigh waves in skin tissue using a fractional nonlocal TPL framework
2026
·
Maaz Ali Khan
, Maha M. Helmi
, et al.
·
Materials & Design
·
14
Rayleigh waves in graded thermoelastic media with fractional heat conduction: A sensitivity-based approach
2026
·
Maaz Ali Khan
, Adnan Jahangir
, et al.
·
Thermal Science and Engineering Progress
·
14
Ulam’s stability of multi-point implicit boundary value problems with non-instantaneous impulses
2020
·
Akbar Zada
, Nasir Ali
, et al.
·
Bollettino Della Unione Matematica Italiana
·
14
On a Coupled Impulsive Fractional Integrodifferential System with Hadamard Derivatives
2021
·
Mehboob Alam
, Akbar Zada
, et al.
·
Qualitative Theory of Dynamical Systems
·
13
Analysis of nonlinear implicit coupled Hadamard fractional differential equations with semi-coupled Hadamard fractional integro-multipoints boundary conditions
2023
·
Usman Riaz
, Akbar Zada
, et al.
·
Ain Shams Engineering Journal
·
12
Fractional three-phase-lag thermoviscoelastic Rayleigh wave propagation in a nonlocal functionally graded porous half-space modelling skin tissue: Secular equation, dispersion analysis, and sobol global sensitivity
2026
·
Maaz Ali Khan
, S.S. Alzahrani
, et al.
·
Chinese Journal of Physics
·
11
On a Riemann–Liouville Type Implicit Coupled System via Generalized Boundary Conditions
2021
·
Usman Riaz
, Akbar Zada
, et al.
·
Mathematics
·
11
PDF
Fractional thermo-viscoelastic Rayleigh wave modeling in laser irradiated skin tissue with nonlocal effects
2026
·
Maaz Ali Khan
, Emad E. Mahmoud
, et al.
·
International Journal of Thermal Sciences
·
9
Propagation of Plane Thermoelastic Waves in a Half-Space with Variable Thermal Conductivity and Micro-Temperatures
2025
·
Maaz Ali Khan
, M. A. Aljohani
, et al.
·
Mechanics of Solids
·
7
Qualitative Results of Non-linear Adjoint Dynamic System with Delays and Impulses on Arbitrary Time Domains
2024
·
Syed Omar Shah
, Vipin Kumar
, et al.
·
Qualitative Theory of Dynamical Systems
·
7
Rayleigh wave propagation in a rotating porous thermoelastic half-space with nonlocal fractional three phase lag heat conduction under surface thermal loading
2026
·
Maaz Ali Khan
, Adnan Jahangir
, et al.
·
Results in Engineering
·
6
Hybrid Sensitivity Analysis of Thermoelastic Rayleigh Waves in Semiconductors: Integrating Sobol’s Indices with Deep Learning Surrogates
2026
·
Maaz Ali Khan
, Emad E. Mahmoud
, et al.
·
Mechanics of Solids
·
6
Stability Analysis of Coupled Hadamard Hybrid Fractional Differential Equations with Generalized Hybrid Boundary Conditions
2025
·
Shahid Iqbal
, Usman Riaz
, et al.
·
Advanced Theory and Simulations
·
6
Analysis of impulsive Caputo fractional integro‐differential equations with delay
2024
·
Akbar Zada
, Usman Riaz
, et al.
·
Mathematical Methods in the Applied Sciences
·
6
Exponential and Hyers-Ulam stability of impulsive linear system of first order
2023
·
Dildar Shah
, Usman Riaz
, et al.
·
Differential Equations & Applications
·
6
PDF
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Works count:
43
Citation count:
428
H-index:
13
I10-index:
17
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