Donal O'Regan

ORCID

Publication Activity (10 Years)

Years Active: 1999-2024
Publications (10 Years): 77

Top Venues

Publications

Donal O'Regan, Safoura Rezaei Aderyani, Reza Saadati, Tofigh Allahviranloo
Solving the Fornberg-Whitham Model Derived from Gilson-Pickering Equations by Analytical Methods. Axioms 13 (2) (2024)
Donal O'Regan, Safoura Rezaei Aderyani, Reza Saadati, Mustafa Inç
Soliton Solution of the Nonlinear Time Fractional Equations: Comprehensive Methods to Solve Physical Models. Axioms 13 (2) (2024)
Donal O'Regan, Safoura Rezaei Aderyani, Reza Saadati, Chenkuan Li
Stability Results and Parametric Delayed Mittag-Leffler Matrices in Symmetric Fuzzy-Random Spaces with Application. Symmetry 15 (10) (2023)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Boundary Value Problems for Fractional Differential Equations of Caputo Type and Ulam Type Stability: Basic Concepts and Study. Axioms 12 (3) (2023)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Mittag-Leffler-Type Stability of BAM Neural Networks Modeled by the Generalized Proportional Riemann-Liouville Fractional Derivative. Axioms 12 (6) (2023)
Zhiwei Lv, Chun Wu, Donal O'Regan, Jiafa Xu
Solvability of a Boundary Value Problem Involving Fractional Difference Equations. Axioms 12 (7) (2023)
Chuangliang Zhang, Nan-jing Huang, Donal O'Regan
Stability of solutions for fuzzy set optimization problems with applications. Fuzzy Sets Syst. 466 (2023)
Donal O'Regan
A note on noncompact collectively coincidence point theory. Period. Math. Hung. 87 (2) (2023)
Mengmeng Li, Jin Rong Wang, Donal O'Regan
Stability of non-instantaneous impulsive systems in Hilbert spaces. Commun. Nonlinear Sci. Numer. Simul. 122 (2023)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Mittag-Leffler Type Stability of Delay Generalized Proportional Caputo Fractional Differential Equations: Cases of Non-Instantaneous Impulses, Instantaneous Impulses and without Impulses. Symmetry 14 (11) (2022)
Rui Liu, Michal Feckan, Jinrong Wang, Donal O'Regan
Ulam type stability for first-order linear and nonlinear impulsive fuzzy differential equations. Int. J. Comput. Math. 99 (6) (2022)
Zahra Eidinejad, Reza Saadati, Donal O'Regan, Fehaid Salem Alshammari
Minimum Superstability of Stochastic Ternary Antiderivations in Symmetric Matrix-Valued FB-Algebras and Symmetric Matrix-Valued FC-⋄-Algebras. Symmetry 14 (10) (2022)
Azam Ahadi, Zahra Eidinejad, Reza Saadati, Donal O'Regan
Modular Stability Analysis of a Nonlinear Stochastic Fractional Volterra IDE. Algorithms 15 (12) (2022)
Wuyang Wang, Jun Ye, Jiafa Xu, Donal O'Regan
Positive Solutions for a High-Order Riemann-Liouville Type Fractional Integral Boundary Value Problem Involving Fractional Derivatives. Symmetry 14 (11) (2022)
Soubhagya Kumar Sahoo, Pshtiwan Othman Mohammed, Donal O'Regan, Muhammad Tariq, Kamsing Nonlaopon
New Hermite-Hadamard Type Inequalities in Connection with Interval-Valued Generalized Harmonically (h1, h2)-Godunova-Levin Functions. Symmetry 14 (10) (2022)
Martin Bohner, Vasile Lupulescu, Donal O'Regan, Waqas Ali Azhar
Vector-valued functions on time scales and random differential equations. Comput. Appl. Math. 41 (4) (2022)
Vo Minh Tam, Nguyen Van Hung, Donal O'Regan
An existence result for a new class of fuzzy fractional differential inclusions with Clarke's subdifferential via resolvent operators in Banach spaces. Fuzzy Sets Syst. 443 (Part) (2022)
Ricardo Almeida, Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Stability of Gene Regulatory Networks Modeled by Generalized Proportional Caputo Fractional Differential Equations. Entropy 24 (3) (2022)
Reza Saadati, Tofigh Allahviranloo, Donal O'Regan, Fehaid Salem Alshammari
Fuzzy Control Problem via Random Multi-Valued Equations in Symmetric F-n-NLS. Symmetry 14 (9) (2022)
Mei Luo, Michal Feckan, Jin-Rong Wang, Donal O'Regan
g-Expectation for Conformable Backward Stochastic Differential Equations. Axioms 11 (1) (2022)
Mostafa Ghadampour, Ebrahim Soori, Ravi P. Agarwal, Donal O'Regan
A Strong Convergence Theorem for Solving an Equilibrium Problem and a Fixed Point Problem Using the Bregman Distance. J. Optim. Theory Appl. 195 (3) (2022)
Rui Liu, Michal Feckan, Donal O'Regan, Jinrong Wang
Controllability Results for First Order Impulsive Fuzzy Differential Systems. Axioms 11 (9) (2022)
Donal O'Regan
Coincidence Theory in the Coercive Case and Minimax Inequalities. Symmetry 13 (7) (2021)
Donal O'Regan
Maximal Type Elements for Families. Symmetry 13 (12) (2021)
Vasile Lupulescu, Donal O'Regan
A new derivative concept for set-valued and fuzzy-valued functions. Differential and integral calculus in quasilinear metric spaces. Fuzzy Sets Syst. 404 (2021)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Lyapunov Functions and Lipschitz Stability for Riemann-Liouville Non-Instantaneous Impulsive Fractional Differential Equations. Symmetry 13 (4) (2021)
Ricardo Almeida, Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Quadratic Lyapunov Functions for Stability of the Generalized Proportional Fractional Differential Equations with Applications to Neural Networks. Axioms 10 (4) (2021)
Nguyen Anh Triet, Duc Phuong Nguyen, Donal O'Regan, Nguyen Huy Tuan
Approximate solution of the backward problem for Kirchhoff's model of Parabolic type with discrete random noise. Comput. Math. Appl. 80 (3) (2020)
Youzheng Ding, Jiqiang Jiang, Donal O'Regan, Jiafa Xu
Positive Solutions for a System of Hadamard-Type Fractional Differential Equations with Semipositone Nonlinearities. Complex. 2020 (2020)
Nguyen Van Hung, Vo Minh Tam, Nguyen Huy Tuan, Donal O'Regan
Convergence analysis of solution sets for fuzzy optimization problems. J. Comput. Appl. Math. 369 (2020)
Nguyen Van Hung, Vo Minh Tam, Donal O'Regan, Yeol Je Cho
A new class of generalized multiobjective games in bounded rationality with fuzzy mappings: Structural (λ, ε)-stability and (λ, ε)-robustness to ε-equilibria. J. Comput. Appl. Math. 372 (2020)
Donal O'Regan
Coincidence Continuation Theory for Multivalued Maps with Selections in a Given Class. Axioms 9 (2) (2020)
Nguyen Huy Tuan, Bao Ngoc Tran, Dumitru Baleanu, Donal O'Regan
On well-posedness of the sub-diffusion equation with conformable derivative model. Commun. Nonlinear Sci. Numer. Simul. 89 (2020)
Donal O'Regan, Ngo Van Hoa
An Initial Value Problem Involving Caputo-Hadamard Fractional Derivative: The Extremal Solutions and Stabilization. J. Adv. Eng. Comput. 4 (2) (2020)
Nguyen Van Hung, Vo Minh Tam, Donal O'Regan
Existence of solutions for a new class of fuzzy differential inclusions with resolvent operators in Banach spaces. Comput. Appl. Math. 39 (2) (2020)
Nguyen Van Hung, Vo Minh Tam, Nguyen Huy Tuan, Donal O'Regan
Regularized gap functions and error bounds for generalized mixed weak vector quasivariational inequality problems in fuzzy environments. Fuzzy Sets Syst. 400 (2020)
Vu Ho, Donal O'Regan, Ngo Van Hoa
Two-Parameter Regularization Method for a Nonlinear Backward Heat Problem with a Conformable Derivative. Complex. 2020 (2020)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan, Kremena Stefanova
Iterative Algorithm for Solving Scalar Fractional Differential Equations with Riemann-Liouville Derivative and Supremum. Algorithms 13 (8) (2020)
Bao Ngoc Tran, Yong Zhou, Donal O'Regan, Nguyen Huy Tuan
On a terminal value problem for pseudoparabolic equations involving Riemann-Liouville fractional derivatives. Appl. Math. Lett. 106 (2020)
Tahira Jabeen, Ravi P. Agarwal, Vasile Lupulescu, Donal O'Regan
Impulsive Evolution Equations with Causal Operators. Symmetry 12 (1) (2020)
Nguyen Huy Tuan, Dumitru Baleanu, Tran Ngoc Thach, Donal O'Regan, Nguyen Huu Can
Final value problem for nonlinear time fractional reaction-diffusion equation with discrete data. J. Comput. Appl. Math. 376 (2020)
Rui Liu, JinRong Wang, Donal O'Regan
On the solutions of first-order linear impulsive fuzzy differential equations. Fuzzy Sets Syst. 400 (2020)
Rui Liu, JinRong Wang, Donal O'Regan
Ulam type stability of first-order linear impulsive fuzzy differential equations. Fuzzy Sets Syst. 400 (2020)
Shengda Liu, JinRong Wang, Dong Shen, Donal O'Regan
Iterative learning control for differential inclusions of parabolic type with noninstantaneous impulses. Appl. Math. Comput. 350 (2019)
Constantin Buse, Donal O'Regan, Olivia Saierli
Hyers-Ulam Stability for Linear Differences with Time Dependent and Periodic Coefficients. Symmetry 11 (4) (2019)
Constantin Buse, Donal O'Regan, Olivia Saierli
Hyers-Ulam Stability for Linear Differences with Time Dependent and Periodic Coefficients: The Case When the Monodromy Matrix Has Simple Eigenvalues. Symmetry 11 (3) (2019)
Bao Ngoc Tran, Nguyen Huy Tuan, Donal O'Regan
Existence and uniqueness of mild solutions for a final value problem for nonlinear fractional diffusion systems. Commun. Nonlinear Sci. Numer. Simul. 78 (2019)
Xianghu Liu, JinRong Wang, Donal O'Regan
On the approximate controllability for fractional evolution inclusions of Sobolev and Clarke subdifferential type. IMA J. Math. Control. Inf. 36 (1) (2019)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Lipschitz Stability for Non-Instantaneous Impulsive Caputo Fractional Differential Equations with State Dependent Delays. Axioms 8 (1) (2019)
Peng Yang, JinRong Wang, Donal O'Regan, Michal Feckan
Inertial manifold for semi-linear non-instantaneous impulsive parabolic equations in an admissible space. Commun. Nonlinear Sci. Numer. Simul. 75 (2019)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Basic Concepts of Riemann-Liouville Fractional Differential Equations with Non-Instantaneous Impulses. Symmetry 11 (5) (2019)
Chao Wang, Ravi P. Agarwal, Donal O'Regan
Calculus of fuzzy vector-valued functions and almost periodic fuzzy vector-valued functions on time scales. Fuzzy Sets Syst. 375 (2019)
Eduardo Hernández Morales, Donal O'Regan
On state dependent non-local conditions. Appl. Math. Lett. 83 (2018)
Zhongli You, Jinrong Wang, Donal O'Regan
Asymptotic stability of solutions of impulsive multi-delay differential equations. Trans. Inst. Meas. Control 40 (15) (2018)
Donal O'Regan
Coincidence for morphisms based on compactness conditions on countable sets. Appl. Math. Comput. 339 (2018)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Iterative techniques for the initial value problem for Caputo fractional differential equations with non-instantaneous impulses. Appl. Math. Comput. 334 (2018)
Dan Yang, JinRong Wang, Donal O'Regan
A class of nonlinear non-instantaneous impulsive differential equations involving parameters and fractional order. Appl. Math. Comput. 321 (2018)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Global Mittag - Leffler Synchronization for Neural Networks Modeled by Impulsive Caputo Fractional Differential Equations with Distributed Delays. Symmetry 10 (10) (2018)
Chengbin Liang, JinRong Wang, Donal O'Regan
Representation of a solution for a fractional linear system with pure delay. Appl. Math. Lett. 77 (2018)
Ngo Van Hoa, Vasile Lupulescu, Donal O'Regan
A note on initial value problems for fractional fuzzy differential equations. Fuzzy Sets Syst. 347 (2018)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Lyapunov Functions to Caputo Fractional Neural Networks with Time-Varying Delays. Axioms 7 (2) (2018)
Li Zu, Daqing Jiang, Donal O'Regan, Tasawar Hayat, Bashir Ahmad
Ergodic property of a Lotka-Volterra predator-prey model with white noise higher order perturbation under regime switching. Appl. Math. Comput. 330 (2018)
Ravi P. Agarwal, Mircea Balaj, Donal O'Regan
Intersection Theorems with Applications in Optimization. J. Optim. Theory Appl. 179 (3) (2018)
Ravi P. Agarwal, Mircea Balaj, Donal O'Regan
Common Fixed Point Theorems in Topological Vector Spaces via Intersection Theorems. J. Optim. Theory Appl. 173 (2) (2017)
Ngo Van Hoa, Vasile Lupulescu, Donal O'Regan
Solving interval-valued fractional initial value problems under Caputo gH-fractional differentiability. Fuzzy Sets Syst. 309 (2017)
Ravi P. Agarwal, Donal O'Regan, Snezhana G. Hristova, Muhammed Çiçek
Practical stability with respect to initial time difference for Caputo fractional differential equations. Commun. Nonlinear Sci. Numer. Simul. 42 (2017)
Ravi P. Agarwal, Donal O'Regan, Snezhana G. Hristova
Monotone iterative technique for the initial value problem for differential equations with non-instantaneous impulses. Appl. Math. Comput. 298 (2017)
Ravi P. Agarwal, Snezhana G. Hristova, Donal O'Regan
Noninstantaneous impulses in Caputo fractional differential equations and practical stability via Lyapunov functions. J. Frankl. Inst. 354 (7) (2017)
Dan Yang, JinRong Wang, Donal O'Regan
Asymptotic properties of the solutions of nonlinear non-instantaneous impulsive differential equations. J. Frankl. Inst. 354 (15) (2017)
Xue-song Li, Nan-Jing Huang, Donal O'Regan
A class of impulsive differential variational inequalities in finite dimensional spaces. J. Frankl. Inst. 353 (13) (2016)
Liang Wang, Daqing Jiang, Donal O'Regan
The periodic solutions of a stochastic chemostat model with periodic washout rate. Commun. Nonlinear Sci. Numer. Simul. 37 (2016)
R. Rakkiyappan, G. Velmurugan, Xiaodi Li, Donal O'Regan
Global dissipativity of memristor-based complex-valued neural networks with time-varying delays. Neural Comput. Appl. 27 (3) (2016)
Wei-bing Zhang, Nan-Jing Huang, Donal O'Regan
Generalized Well-Posedness for Symmetric Vector Quasi-Equilibrium Problems. J. Appl. Math. 2015 (2015)
Ravi P. Agarwal, Vasile Lupulescu, Donal O'Regan, Ghaus ur Rahman
Fractional calculus and fractional differential equations in nonreflexive Banach spaces. Commun. Nonlinear Sci. Numer. Simul. 20 (1) (2015)
Li Zu, Daqing Jiang, Donal O'Regan
Conditions for persistence and ergodicity of a stochastic Lotka-Volterra predator-prey model with regime switching. Commun. Nonlinear Sci. Numer. Simul. 29 (Issues) (2015)
Dumitru Baleanu, Octavian G. Mustafa, Donal O'Regan
A Kamenev-type oscillation result for a linear (1+α)-order fractional differential equation. Appl. Math. Comput. 259 (2015)
Youzheng Ding, Zhongli Wei, Jiafa Xu, Donal O'Regan
Extremal solutions for nonlinear fractional boundary value problems with p-Laplacian. J. Comput. Appl. Math. 288 (2015)
Ravi P. Agarwal, Mircea Balaj, Donal O'Regan
A Common Fixed Point Theorem with Applications. J. Optim. Theory Appl. 163 (2) (2014)
Qiumei Zhang, Daqing Jiang, Zhenwen Liu, Donal O'Regan
The long time behavior of a predator-prey model with disease in the prey by stochastic perturbation. Appl. Math. Comput. 245 (2014)
Xiaodi Li, Quanxin Zhu, Donal O'Regan
th Moment exponential stability of impulsive stochastic functional differential equations and application to control problems of NNs. J. Frankl. Inst. 351 (9) (2014)
Sheng-lan Chen, Nan-Jing Huang, Donal O'Regan
-Preinvex Functions and Multiobjective Optimization Problems on Riemannian Manifolds. J. Appl. Math. 2014 (2014)
Jiafa Xu, Wei Dong, Donal O'Regan
Existence of weak solutions for a fourth-order Navier boundary value problem. Appl. Math. Lett. 37 (2014)
Jingfeng Tian, Wen-Li Wang, Donal O'Regan
Refinements of Generalized Hölder's Inequalities. J. Appl. Math. 2014 (2014)
Xiaoqing Yuan, Yong-Hui Xia, Donal O'Regan
Nonautonomous impulsive systems with unbounded nonlinear terms. Appl. Math. Comput. 245 (2014)
San-hua Wang, Nan-Jing Huang, Donal O'Regan
Well-posedness for generalized quasi-variational inclusion problems and for optimization problems with constraints. J. Glob. Optim. 55 (1) (2013)
Eduardo Hernández Morales, Donal O'Regan, Krishnan Balachandran
Comments on Some Recent Results on Controllability of Abstract Differential Problems. J. Optim. Theory Appl. 159 (1) (2013)
Hui-qiang Ma, Nan-Jing Huang, Meng Wu, Donal O'Regan
A New Gap Function for Vector Variational Inequalities with an Application. J. Appl. Math. 2013 (2013)
Chengjun Guo, Donal O'Regan, Feiqi Deng, Ravi P. Agarwal
Fixed points and exponential stability for a stochastic neutral cellular neural network. Appl. Math. Lett. 26 (8) (2013)
Michelle Pierri, Donal O'Regan, Vanessa Rolnik
Existence of solutions for semi-linear abstract differential equations with not instantaneous impulses. Appl. Math. Comput. 219 (12) (2013)
Cong Zhang, Nan-Jing Huang, Donal O'Regan
Almost periodic solutions for a Volterra model with mutual interference and Holling type III functional response. Appl. Math. Comput. 225 (2013)
Barnabás Bede, Donal O'Regan
The theory of pseudo-linear operators. Knowl. Based Syst. 38 (2013)
Zhilin Yang, Donal O'Regan
Positive solutions of a focal problem for one-dimensional p-Laplacian equations. Math. Comput. Model. 55 (7-8) (2012)
Diwang Lin, Xiaodi Li, Donal O'Regan
Stability analysis of generalized impulsive functional differential equations. Math. Comput. Model. 55 (5-6) (2012)
Ravi P. Agarwal, Mircea Balaj, Donal O'Regan
A Unifying Approach to Variational Relation Problems. J. Optim. Theory Appl. 155 (2) (2012)
Donal O'Regan
Coincidence theory for multimaps. Appl. Math. Comput. 219 (4) (2012)
Donal O'Regan, Aleksandra Orpel
A variational approach to the eigenvalue problem for higher order BVPs with singular nonlinearities. Appl. Math. Comput. 218 (20) (2012)
S. H. Saker, Ravi P. Agarwal, Donal O'Regan
Gaps between zeros of second-order half-linear differential equations. Appl. Math. Comput. 219 (3) (2012)
Eduardo Hernández Morales, Donal O'Regan, Maria Aparecida Bená
On a new class of abstract integral equations and applications. Appl. Math. Comput. 219 (4) (2012)
Yuqing Chen, Juan J. Nieto, Donal O'Regan
Anti-periodic solutions for evolution equations associated with maximal monotone mappings. Appl. Math. Lett. 24 (3) (2011)
Gabriele Bonanno, Beatrice Di Bella, Donal O'Regan
Non-trivial solutions for nonlinear fourth-order elastic beam equations. Comput. Math. Appl. 62 (4) (2011)

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Publication Activity (10 Years)

Top Topics

Top Venues

Donal O'Regan