Concepedia

Donal O’Regan

DO

Statistics

Publications

516

Citations

18.1K

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 natural sciences, mathematics, and differential equations.

ORCID

Publications per year

1986–2023

516

Publications

516

Dynamic equations on time scales: a survey

Ravi P. Agarwal, Martin Böhner, Donal O’Regan et al. · Journal of Computational and Applied Mathematics · 2002 · 624 citations

, , +14

Generalized contractions in partially ordered metric spaces

Ravi P. Agarwal, M. El-Gebeily, Donal O’Regan · Applicable Analysis · 2008 · 563 citations

, , +14

On a new class of abstract impulsive differential equations

Eduardo Hernández, Donal O’Regan · Proceedings of the American Mathematical Society · 2012 · 496 citations · Full text

, , +7

Variational approach to impulsive differential equations

Juan J. Nieto, Donal O’Regan · Nonlinear Analysis Real World Applications · 2007 · 417 citations

, , +13

Fixed point theorems for generalized contractions in ordered metric spaces

Donal O’Regan, Adrian Petruşel · Journal of Mathematical Analysis and Applications · 2007 · 349 citations · Full text

, , +11

1–5 of 516