The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Donal O'Regan sits on this spectrum.
This scientist: 1,594 publications — 100th percentile
100% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 537 publications or more.
The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Donal O'Regan sits on this spectrum.
This scientist: 80 D-Index — 96th percentile
96% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 86 D-Index or more.
Donal O'Regan is affiliated with the National University of Ireland, Galway. Their research centers primarily in mathematics, with a significant focus on applied mathematics and related subfields. The scientist has an extensive publication record, contributing notably to topics such as nonlinear differential equations analysis, fractional differential equations solutions, and stability and controllability of differential equations.
The main fields of study for Donal O'Regan include:
Their work extends across several subfields, including:
Key research topics addressed in their publications are:
Donal O'Regan has authored numerous papers, among which the following recent works are notable:
The scientist frequently publishes in the following venues:
Co-authorship collaborations have been established with several researchers, including:
Donal O'Regan has also contributed to academic literature in the form of books. One recorded publication is titled "Topology and Approximate Fixed Points," published by Springer Nature in 2022.
In recognition of contributions to the field, Donal O'Regan was named a Member of the Royal Irish Academy in 2011.
Ravi P. Agarwal;Donal O'Regan;Patricia J. Y Wong
Ravi Agarwal;Martin Bohner;Donal O'Regan;Allan Peterson
R P Agarwal;El Gebeily;D Oregan
Ravi P. Agarwal;Said R Grace;Donal O'Regan
D. R. Sahu;Donal O'Regan;Ravi P. Agarwal
Ravi P. Agarwal;Donal O'Regan
Eduardo Hernández;Donal O’Regan
Juan J. Nieto;Donal O’Regan
Ravi P. Agarwal;Said R Grace;Donal O'Regan
Donal O'Regan;Adrian Petruşel
Ravi P. Agarwal;Martin. Bohner;Said R Grace;Donal O'Regan
Donal O'Regan
Ravi P. Agarwal;Donal O'Regan;S.H. Saker
Ravi P. Agarwal;Ravi P. Agarwal;Donal O'Regan;Svatoslav Staněk
Donal O'Regan;Maria Meehan
Donal O'Regan
Eduardo Hernández;Donal O’Regan;Krishnan Balachandran
Ravi P. Agarwal;Said R. Grace;Donal O'Regan
Ravi P. Agarwal;Kanishka Perera;Donal O'Regan
Michelle Pierri;Donal O'regan;Vanessa Rolnik
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