Donal O'Regan
According to our database^{1},
Donal O'Regan
authored at least 131 papers
between 1999 and 2019.
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Bibliography
2019
HyersUlam Stability for Linear Differences with Time Dependent and Periodic Coefficients.
Symmetry, 2019
HyersUlam Stability for Linear Differences with Time Dependent and Periodic Coefficients: The Case When the Monodromy Matrix Has Simple Eigenvalues.
Symmetry, 2019
Basic Concepts of RiemannLiouville Fractional Differential Equations with NonInstantaneous Impulses.
Symmetry, 2019
On the approximate controllability for fractional evolution inclusions of Sobolev and Clarke subdifferential type.
IMA J. Math. Control & Information, 2019
Lipschitz Stability for NonInstantaneous Impulsive Caputo Fractional Differential Equations with State Dependent Delays.
Axioms, 2019
Iterative learning control for differential inclusions of parabolic type with noninstantaneous impulses.
Applied Mathematics and Computation, 2019
2018
Global Mittag  Leffler Synchronization for Neural Networks Modeled by Impulsive Caputo Fractional Differential Equations with Distributed Delays.
Symmetry, 2018
Intersection Theorems with Applications in Optimization.
J. Optimization Theory and Applications, 2018
A note on initial value problems for fractional fuzzy differential equations.
Fuzzy Sets and Systems, 2018
Lyapunov Functions to Caputo Fractional Neural Networks with TimeVarying Delays.
Axioms, 2018
Representation of a solution for a fractional linear system with pure delay.
Appl. Math. Lett., 2018
On state dependent nonlocal conditions.
Appl. Math. Lett., 2018
Ergodic property of a LotkaVolterra predatorprey model with white noise higher order perturbation under regime switching.
Applied Mathematics and Computation, 2018
A class of nonlinear noninstantaneous impulsive differential equations involving parameters and fractional order.
Applied Mathematics and Computation, 2018
Coincidence for morphisms based on compactness conditions on countable sets.
Applied Mathematics and Computation, 2018
Iterative techniques for the initial value problem for Caputo fractional differential equations with noninstantaneous impulses.
Applied Mathematics and Computation, 2018
2017
Common Fixed Point Theorems in Topological Vector Spaces via Intersection Theorems.
J. Optimization Theory and Applications, 2017
Asymptotic properties of the solutions of nonlinear noninstantaneous impulsive differential equations.
J. Franklin Institute, 2017
Noninstantaneous impulses in Caputo fractional differential equations and practical stability via Lyapunov functions.
J. Franklin Institute, 2017
Solving intervalvalued fractional initial value problems under Caputo gHfractional differentiability.
Fuzzy Sets and Systems, 2017
Monotone iterative technique for the initial value problem for differential equations with noninstantaneous impulses.
Applied Mathematics and Computation, 2017
2016
Global dissipativity of memristorbased complexvalued neural networks with timevarying delays.
Neural Computing and Applications, 2016
A class of impulsive differential variational inequalities in finite dimensional spaces.
J. Franklin Institute, 2016
2015
Extremal solutions for nonlinear fractional boundary value problems with pLaplacian.
J. Computational Applied Mathematics, 2015
Generalized WellPosedness for Symmetric Vector QuasiEquilibrium Problems.
J. Applied Mathematics, 2015
A Kamenevtype oscillation result for a linear (1+α)order fractional differential equation.
Applied Mathematics and Computation, 2015
2014
A Common Fixed Point Theorem with Applications.
J. Optimization Theory and Applications, 2014
pth Moment exponential stability of impulsive stochastic functional differential equations and application to control problems of NNs.
J. Franklin Institute, 2014
Refinements of Generalized Hölder's Inequalities.
J. Applied Mathematics, 2014
Geodesic BPreinvex Functions and Multiobjective Optimization Problems on Riemannian Manifolds.
J. Applied Mathematics, 2014
Existence of weak solutions for a fourthorder Navier boundary value problem.
Appl. Math. Lett., 2014
The long time behavior of a predatorprey model with disease in the prey by stochastic perturbation.
Applied Mathematics and Computation, 2014
Nonautonomous impulsive systems with unbounded nonlinear terms.
Applied Mathematics and Computation, 2014
2013
The theory of pseudolinear operators.
Knowl.Based Syst., 2013
Comments on Some Recent Results on Controllability of Abstract Differential Problems.
J. Optimization Theory and Applications, 2013
Wellposedness for generalized quasivariational inclusion problems and for optimization problems with constraints.
J. Global Optimization, 2013
A New Gap Function for Vector Variational Inequalities with an Application.
J. Applied Mathematics, 2013
Fixed points and exponential stability for a stochastic neutral cellular neural network.
Appl. Math. Lett., 2013
Almost periodic solutions for a Volterra model with mutual interference and Holling type III functional response.
Applied Mathematics and Computation, 2013
Existence of solutions for semilinear abstract differential equations with not instantaneous impulses.
Applied Mathematics and Computation, 2013
2012
Positive solutions of a focal problem for onedimensional pLaplacian equations.
Mathematical and Computer Modelling, 2012
Stability analysis of generalized impulsive functional differential equations.
Mathematical and Computer Modelling, 2012
A Unifying Approach to Variational Relation Problems.
J. Optimization Theory and Applications, 2012
Gaps between zeros of secondorder halflinear differential equations.
Applied Mathematics and Computation, 2012
A variational approach to the eigenvalue problem for higher order BVPs with singular nonlinearities.
Applied Mathematics and Computation, 2012
Coincidence theory for multimaps.
Applied Mathematics and Computation, 2012
On a new class of abstract integral equations and applications.
Applied Mathematics and Computation, 2012
2011
Characterization of selfadjoint ordinary differential operators.
Mathematical and Computer Modelling, 2011
Nontrivial solutions for nonlinear fourthorder elastic beam equations.
Computers & Mathematics with Applications, 2011
Stability of some setvalued functional equations.
Appl. Math. Lett., 2011
Antiperiodic solutions for evolution equations associated with maximal monotone mappings.
Appl. Math. Lett., 2011
Eigenvalue intervals for higher order problems with singular nonlinearities.
Applied Mathematics and Computation, 2011
Applications of linking to Hammerstein integral equations.
Applied Mathematics and Computation, 2011
2010
Infinitely many weak solutions for a class of quasilinear elliptic systems.
Mathematical and Computer Modelling, 2010
Uniform separable differential operators with parameters.
J. Franklin Institute, 2010
A monotone iterative technique for stationary and time dependent problems in Banach spaces.
J. Computational Applied Mathematics, 2010
Strong convergence theorems for relatively nonexpansive mappings in Banach spaces with applications.
Computers & Mathematics with Applications, 2010
Periodic constantsign solutions for systems of Hill's equations.
Asymptotic Analysis, 2010
Antiperiodic solutions for evolution equations associated with monotone type mappings.
Appl. Math. Lett., 2010
Bounds for analytic solutions to integral equations in the complex domain.
Appl. Math. Lett., 2010
Essential extension type maps for general classes of maps.
Applied Mathematics and Computation, 2010
Type I operators and the approximation of singular twopoint boundary value problems.
Applied Mathematics and Computation, 2010
2009
Constantsign solutions for systems of singular integral equations of Hammerstein type.
Mathematical and Computer Modelling, 2009
Controllability of VolterraFredholm type systems in Banach spaces.
J. Franklin Institute, 2009
Degree theory for monotone type mappings in nonreflexive Banach spaces.
Appl. Math. Lett., 2009
A selection of oscillation criteria for secondorder differential inclusions.
Appl. Math. Lett., 2009
New kinds of generalized variationallike inequality problems in topological vector spaces.
Appl. Math. Lett., 2009
A note on the degree for maximal monotone mappings in finite dimensional spaces.
Appl. Math. Lett., 2009
Higher order nonlinear degenerate differential operator equations.
Appl. Math. Lett., 2009
Generalized degree for classes of finite dimensional upper hemicontinuous mappings in separable Banach spaces.
Applied Mathematics and Computation, 2009
Positive solutions for singular second order Neumann boundary value problems via a cone fixed point theorem.
Applied Mathematics and Computation, 2009
The fixed point index for compact absorbing contractive admissible maps.
Applied Mathematics and Computation, 2009
On the homotopy property of topological degree for maximal monotone mappings.
Applied Mathematics and Computation, 2009
BSeparable boundary value problems in Banachvalued function spaces.
Applied Mathematics and Computation, 2009
2008
Four functionals fixed point theorem.
Mathematical and Computer Modelling, 2008
Existence theory for multiple solutions to semipositone Dirichlet boundary value problems with singular dependent nonlinearities for secondorder impulsive differential equations.
Applied Mathematics and Computation, 2008
Existence and uniqueness of positive solutions for fourthorder nonlinear singular continuous and discrete boundary value problems.
Applied Mathematics and Computation, 2008
Degree theory for (S_{+}) mappings in nonreflexive banach spaces.
Applied Mathematics and Computation, 2008
Nonlinear contraction theorems in probabilistic spaces.
Applied Mathematics and Computation, 2008
Singular integral equations arising in draining and coating flows.
Applied Mathematics and Computation, 2008
A common fixed point theorem for Rweakly commuting mappings in probabilistic spaces with nonlinear contractive conditions.
Applied Mathematics and Computation, 2008
Oscillation and global attractivity in a delay periodic host macroparasite model.
Applied Mathematics and Computation, 2008
2007
Multiple positive solutions for singular problems with mixed boundary data and derivative dependence.
Mathematical and Computer Modelling, 2007
Multiplicity results for threepoint boundary value problems with a nonwellordered upper and lower solution condition.
Mathematical and Computer Modelling, 2007
Antiperiodic solutions for fully nonlinear firstorder differential equations.
Mathematical and Computer Modelling, 2007
The periodic boundary value problem for semilinear elastic beam equations: The resonance case.
Computers & Mathematics with Applications, 2007
Constantsign solutions of a system of Volterra integral equations.
Computers & Mathematics with Applications, 2007
Positive and dead core solutions of singular Dirichlet boundary value problems with phiLaplacian.
Computers & Mathematics with Applications, 2007
Nonlinear integral equations singular in the dependent variable.
Appl. Math. Lett., 2007
Second order initial value problems of LaneEmden type.
Appl. Math. Lett., 2007
LeggettWilliams normtype fixed point theorems for multivalued mappings.
Applied Mathematics and Computation, 2007
2006
Constantsign solutions of systems of higher order boundary value problems with integrable singularities.
Mathematical and Computer Modelling, 2006
LeraySchauder results for multivalued nonlinear contractions defined on closed subsets of a Fréchet space.
Int. J. Math. Mathematical Sciences, 2006
LeraySchauder results for inward acyclic and approximable maps defined on Fréchet spaces.
Appl. Math. Lett., 2006
LeraySchauder and Krasnoselskii results for multivalued maps defined on pseudoopen subsets of a Fréchet space.
Appl. Math. Lett., 2006
Common fixed point theorems in Sfuzzy metric spaces.
Applied Mathematics and Computation, 2006
2005
Integral operators of UrysohnStieltjes type.
Periodica Mathematica Hungarica, 2005
Volterrastieltjes integral operators.
Mathematical and Computer Modelling, 2005
Oscillation of functional differential equations.
Mathematical and Computer Modelling, 2005
Fixed point theory for Mönchtype maps defined on closed subsets of Fréchet spaces: the projective limit approach.
Int. J. Math. Mathematical Sciences, 2005
Viability theory and fuzzy differential equations.
Fuzzy Sets and Systems, 2005
On perturbations of accretive mappings.
Appl. Math. Lett., 2005
Homotopy and normalization properties for admissible maps.
Appl. Math. Lett., 2005
A note on the topological transversality theorem for acyclic maps.
Appl. Math. Lett., 2005
Positive solutions for singular pLaplacian equations with sign changing nonlinearities using inequality theory.
Applied Mathematics and Computation, 2005
Optimal existence theory for single and multiple positive periodic solutions to functional difference equations.
Applied Mathematics and Computation, 2005
Nonresonant singular boundary value problems with sign changing nonlinearities.
Applied Mathematics and Computation, 2005
A multiplicity result for second order impulsive differential equations via the Leggett Williams fixed point theorem.
Applied Mathematics and Computation, 2005
2004
A FuriPera theorem in Hausdorff topological spaces for acyclic maps.
Int. J. Math. Mathematical Sciences, 2004
Optimal existence conditions for second order periodic solutions of delay differential equations with upper and lower solutions in the reverse order.
Int. J. Comput. Math., 2004
Semipositone higherorder differential equations.
Appl. Math. Lett., 2004
Existence of solutions for first order ordinary differential equations with nonlinear boundary conditions.
Applied Mathematics and Computation, 2004
2003
An index theory for countably Pconcentrative J maps.
Appl. Math. Lett., 2003
Fixedpoint theorems for SKKM maps.
Appl. Math. Lett., 2003
Existence theorems for the onedimensional singular pLaplacian equation with sign changing nonlinearities.
Applied Mathematics and Computation, 2003
2002
Fuzzy contractive maps and fuzzy fixed points.
Fuzzy Sets and Systems, 2002
Countably PConcentrative Pairs and the coincidence index.
Appl. Math. Lett., 2002
Multiple positive solutions for the onedimensional singular pLaplacian.
Applied Mathematics and Computation, 2002
2001
Variational inequalities, coincidence theory, and minimax inequalities.
Appl. Math. Lett., 2001
Fixedpoint theorems for multivalued maps with closed values on complete gauge spaces.
Appl. Math. Lett., 2001
A generalization of the PetryshynLeggettWilliams fixed point theorem with applications to integral inclusions.
Applied Mathematics and Computation, 2001
2000
Weakly inward zero epi maps.
Appl. Math. Lett., 2000
Triple solutions to boundary value problems on time scales.
Appl. Math. Lett., 2000
Discrete conjugate boundary value problems.
Appl. Math. Lett., 2000
Essential and inessential maps and continuation theorems.
Appl. Math. Lett., 2000
Existence results for singular integral equations of fredholm type.
Appl. Math. Lett., 2000
Singular Volterra integral equations.
Appl. Math. Lett., 2000
Multivalued essential maps of approximable and acyclic type.
Appl. Math. Lett., 2000
Multiple nonnegative solutions for second order impulsive differential equations.
Applied Mathematics and Computation, 2000
A coupled system of difference equations.
Applied Mathematics and Computation, 2000
1999
Periodic and almost periodic solutions of integral equations.
Applied Mathematics and Computation, 1999