Author: O'Regan, Donal

Agarwal, Ravi; O'Regan, Donal; Hristova, Snezhana: Stability of Caputo fractional differential equations by Lyapunov functions. (English). Applications of Mathematics, vol. 60 (2015), issue 6, pp. 653-676
Agarwal, Ravi P.; Balaj, Mircea; O'Regan, Donal: An intersection theorem for set-valued mappings. (English). Applications of Mathematics, vol. 58 (2013), issue 3, pp. 269-278
Agarwal, Ravi P.; O'Regan, Donal; Staněk, Svatoslav: Dead cores of singular Dirichlet boundary value problems with $\phi $-Laplacian. (English). Applications of Mathematics, vol. 53 (2008), issue 4, pp. 381-399
Lü, Haishen; O'Regan, Donal; Agarwal, Ravi P.: Existence to singular boundary value problems with sign changing nonlinearities using an approximation method approach. (English). Applications of Mathematics, vol. 52 (2007), issue 2, pp. 117-135
Lü, Haishen; O'Regan, Donal; Agarwal, Ravi P.: On the existence of multiple periodic solutions for the vector $p$-Laplacian via critical point theory. (English). Applications of Mathematics, vol. 50 (2005), issue 6, pp. 555-568

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