Existence Theory for Nonlinear Ordinary Differential Equations

by O'Regan, Donal
Published 1997

Existence Theory for Nonlinear Integral and Integrodifferential Equations

by O'Regan, Donal, Meehan, Maria
Published 1998

Ordinary and Partial Differential Equations : With Special Functions, Fourier Series, and Boundary Value Problems

by Agarwal, Ravi P., O'Regan, Donal
Published 2009

An Introduction to Ordinary Differential Equations

by Agarwal, Ravi P., O'Regan, Donal
Published 2008

Topological Fixed Point Theory for Singlevalued and Multivalued Mappings and Applications

by Ben Amar, Afif, O'Regan, Donal
Published 2016

Infinite Interval Problems for Differential, Difference and Integral Equations

by Agarwal, R.P., O'Regan, Donal
Published 2001

Singular Differential and Integral Equations with Applications

by Agarwal, R.P., O'Regan, Donal
Published 2003

Topology and Approximate Fixed Points

by Ben Amar, Afif, O'Regan, Donal
Published 2022

Dynamic Inequalities On Time Scales

by Agarwal, Ravi, O'Regan, Donal, Saker, Samir
Published 2014

Non-Instantaneous Impulses in Differential Equations

by Agarwal, Ravi, Hristova, Snezhana, O'Regan, Donal
Published 2017

500 Examples and Problems of Applied Differential Equations

by Agarwal, Ravi P., Hodis, Simona, O’Regan, Donal
Published 2019

Fixed Point Theory for Lipschitzian-type Mappings with Applications

by Agarwal, Ravi P., O'Regan, Donal, Sahu, D. R.
Published 2009

Hardy Type Inequalities on Time Scales

by Agarwal, Ravi P., O'Regan, Donal, Saker, Samir H.
Published 2016

Oscillation Theory for Difference and Functional Differential Equations

by Agarwal, R.P., Grace, Said R., O'Regan, Donal
Published 2000

Oscillation Theory for Second Order Linear, Half-Linear, Superlinear and Sublinear Dynamic Equations

by Agarwal, R.P., Grace, Said R., O'Regan, Donal
Published 2002

Oscillation and Stability of Delay Models in Biology

by Agarwal, Ravi P., O'Regan, Donal, Saker, Samir H.
Published 2014

Positive Solutions of Differential, Difference and Integral Equations

by Agarwal, R.P., O'Regan, Donal, Wong, Patricia J.Y.
Published 1999

Constant-Sign Solutions of Systems of Integral Equations

by Agarwal, Ravi P., O’Regan, Donal, Wong, Patricia J. Y.
Published 2013

Theory of Translation Closedness for Time Scales : With Applications in Translation Functions and Dynamic Equations

by Wang, Chao, Agarwal, Ravi P., O' Regan, Donal, Sakthivel, Rathinasamy
Published 2020

Fixed Point Theory in Metric Type Spaces

by Agarwal, Ravi P., KARAPINAR, Erdal, O’Regan, Donal, Roldán-López-de-Hierro, Antonio Francisco
Published 2015