Concepedia

Donal O’Regan

DO

Statistics

Publications

514

Citations

17.8K

H-Index

60

Active since

1986

Affiliations

Ollscoil na Gaillimhe – University of Galway(Current)

Florida Institute of Technology

National University of Ireland

Texas A&M University – Kingsville

National University of Singapore

Donal O’Regan is an author at Ollscoil na Gaillimhe – University of Galway specializing in functional analysis, numerical analysis, and engineering.

Top concepts

Functional AnalysisEngineeringNumerical AnalysisStabilityFuzzy LogicSpectral TheoryVariational InequalitiesApproximation TheoryMathematical ProgrammingDiscrete Mathematics

Publications per year

1986–2023

514

Publications

514

Dynamic equations on time scales: a survey

Ravi P. Agarwal, Martin Böhner, Donal O’Regan et al. · Journal of Computational and Applied Mathematics · 2002 · 616 citations

System Dynamic, Discrete Dynamical System, Dynamic Equations +1

Generalized contractions in partially ordered metric spaces

Ravi P. Agarwal, M. El-Gebeily, Donal O’Regan · Applicable Analysis · 2008 · 561 citations

Order Theory, Fixed Point Results, Metric Space +5

On a new class of abstract impulsive differential equations

Eduardo Hernández, Donal O’Regan · Proceedings of the American Mathematical Society · 2012 · 487 citations · Full text

Classical Solution, New Class, Nonlinear Equation +2

Variational approach to impulsive differential equations

Juan J. Nieto, Donal O’Regan · Nonlinear Analysis Real World Applications · 2007 · 415 citations

Impulsive Differential Equations, Calculus Of Variation, Impulsive System +1

Fixed point theorems for generalized contractions in ordered metric spaces

Donal O’Regan, Adrian Petruşel · Journal of Mathematical Analysis and Applications · 2007 · 345 citations

Generalized Contractions, Functional Analysis

1–5 of 514