Author: O'Regan, Donal

Jiang, Daqing; Zhang, Lili; O'Regan, Donal; Agarwal, Ravi P.: Existence theory for single and multiple solutions to singular positone discrete Dirichlet boundary value problems to the one-dimension $p$-Laplacian. (English). Archivum Mathematicum, vol. 40 (2004), issue 4, pp. 367-381
O'Regan, Donal: Fixed point theorems for weakly sequentially closed maps. (English). Archivum Mathematicum, vol. 36 (2000), issue 1, pp. 61-70
O'Regan, Donal: Generalized quasivariational inequalities on Fréchet spaces. (English). Archivum Mathematicum, vol. 35 (1999), issue 3, pp. 245-254
O'Regan, Donal: Fixed point theory for closed multifunctions. (English). Archivum Mathematicum, vol. 34 (1998), issue 1, pp. 191-197
O'Regan, Donal: Fixed point theory for compact perturbations of pseudocontractive maps. (English). Archivum Mathematicum, vol. 34 (1998), issue 3, pp. 401-415

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