Donal O'Regan

• Artículos de revistas (27)

• Artículos de revistas

  • Existence results for abstract fractional differential equations with nonlocal conditions via resolvent operators

    Eduardo Hernández, Donal O'Regan, Krishnan Balachandran

    Indagationes mathematicae, ISSN 0019-3577, Vol. 24, Nº 1, 2013, págs. 68-82

    

  • MPULSIVE PERIODIC SOLUTIONS FOR SINGULAR PROBLEMS VIA VARIATIONAL METHODS

    JUNTAO SUN, Donal O'Regan

    Bulletin of the Australian Mathematical Society, ISSN-e 0004-9727, Vol. 86, Nº. 2, 2012, págs. 193-204

    

  • Impulsive boundary value problems for $p(t)$-Laplacian's via critical point theory

    Marek Galewski, Donal O'Regan

    Czechoslovak mathematical journal, ISSN 0011-4642, Vol. 62, Nº 4, 2012, págs. 951-967

    

  • Positive solutions for mixed problems of singular fractional differential equations

    Ravi P. Agarwal, Donal O'Regan, Svatoslav Stanek

    Mathematische Nachrichten, ISSN 0025-584X, Vol. 285, Nº. 1, 2012, págs. 27-41

    

  • Existence of solutions for abstract neutral integro-differential equations with unbounded delay

    Eduardo M. Hernandez, Donal O'Regan

    Czechoslovak mathematical journal, ISSN 0011-4642, Vol. 61, Nº 3, 2011, págs. 691-706

    

  • A multiplicity theorem for p-superlinear p-Laplacian equations using critical groups and morse theory

    Sophia Th. Kyritsi, Donal O'Regan, Nikolaos S. Papageorgiou

    Monatshefte für mathematik, ISSN 0026-9255, Vol. 163, Nº 4, 2011, págs. 471-491

    

  • Some dynamic Wirtinger-type inequalities and their applications

    Ravi P. Agarwal, Martin Bohner, Donal O'Regan, Samir H. Saker

    Pacific journal of mathematics, ISSN 0030-8730, Vol. 252, Nº 1, 2011, págs. 1-18

    

  • A monotone iterative technique for stationary and time dependent problems in Banach spaces

    M. El-Gebeily, Donal O'Regan, Juan José Nieto Roig

    Journal of computational and applied mathematics, ISSN 0377-0427, Vol. 233, Nº 9, 2010, págs. 2395-2404

    

  • Lefschetz fixed point theorems in generalized neighborhood extension spaces with respect to a map

    Donal O'Regan

    Rendiconti del Circolo Matematico di Palermo, ISSN 0009-725X, Vol. 59, Nº 2, 2010, págs. 319-329

    

  • Multiplicity Results for Second Order Non-Autonomous Singular Dirichlet Systems

    Jifeng Chu, Donal O'Regan

    Acta applicandae mathematicae, ISSN 0167-8019, Vol. 105, Nº. 3, 2009, págs. 323-338

    • Resumen
    

  • Existence results for abstract neutral functional differential equations

    Eduardo Hernández, Donal O'Regan

    Proceedings of the American Mathematical Society, ISSN 0002-9939, Vol. 137, Nº 10, 2009, págs. 3309-3318

    

  • Fixed point theory for permissible extension type maps

    Donal O'Regan

    Rendiconti del Circolo Matematico di Palermo, ISSN 0009-725X, Vol. 58, Nº 3, 2009, págs. 477-484

    

  • Asymptotic Lefschetz fixed point theory for ANES (compact) maps

    Donal O'Regan

    Rendiconti del Circolo Matematico di Palermo, ISSN 0009-725X, Vol. 58, Nº 1, 2009, págs. 87-97

    

  • Constant-Sign Solutions for Systems of Fredholm and Volterra Integral Equations: The Singular Case

    Ravi P. Agarwal, Donal O'Regan, Patricia J. Y. Wong

    Acta applicandae mathematicae, ISSN 0167-8019, Vol. 103, Nº. 3, 2008, págs. 253-276

    

  • Positive Solutions for Second Order Singular Boundary Value Problems with Derivative Dependence on Infinite Intervals

    Baoqiang Yan, Donal O'Regan, Ravi P. Agarwal

    Acta applicandae mathematicae, ISSN 0167-8019, Vol. 103, Nº. 1, 2008, págs. 19-57

    

  • Positive radial solutions for p-Laplacian systems

    Donal O'Regan, Haiyan Wang

    Aequationes mathematicae, ISSN 0001-9054, Vol. 75, Nº. 1-2, 2008, págs. 43-50

    • Resumen
    

  • Weak-equilibrium problems in G-convex spaces

    Mircea Balaj, Donal O'Regan

    Rendiconti del Circolo Matematico di Palermo, ISSN 0009-725X, Vol. 57, Nº 1, 2008, págs. 103-117

    

  • Multiple positive solutions of singular second order boundary value problems with derivative dependence

    Yan Baoqiang, Donal O'Regan, Ravi P. Agarwal

    Aequationes mathematicae, ISSN 0001-9054, Vol. 74, Nº. 1-2, 2007, págs. 62-89

    

  • Deblurring and denoising of images with minimization of variation and negative norms

    A. Cherid, M. El-Gebeily, Donal O'Regan, Ravi P. Agarwal

    Anziam journal: The Australian & New Zealand industrial and applied mahtematics journal, ISSN 1446-1811, Vol. 49, Nº 2, 2007, págs. 171-185

    • Resumen
    

  • On constant-sign periodic solutions in modelling the spread of interdependent epidemics

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

    Anziam journal: The Australian & New Zealand industrial and applied mahtematics journal, ISSN 1446-1811, Vol. 47, Nº 3, 2006, págs. 309-332

    • Resumen
    

  • Some nonoscillation criteria for inclusions

    Ravi P. Agarwal, Said R. Grace, Donal O'Regan

    Journal of the Australian Mathematical Society, ISSN 1446-7887, Vol. 80, Nº 1, 2006, págs. 1-12

    • Resumen
    

  • Neumann boundary value problems with singularities in a phase variable

    Ravi P. Agarwal, Donal O'Regan, Svatoslav Stanek

    Aequationes mathematicae, ISSN 0001-9054, Vol. 69, Nº. 3, 2005, págs. 293-308

    

  • Singular boundary value problems for first and second order impulsive differential equations

    Ravi P. Agarwal, Daniel Franco Coronil, Donal O'Regan

    Aequationes mathematicae, ISSN 0001-9054, Vol. 69, Nº. 1-2, 2005, págs. 83-96

    • Resumen
    

  • Nonoscillatory criteria for singular higher order differential equations

    Ravi P. Agarwal, Said R. Grace, Donal O'Regan

    Aequationes mathematicae, ISSN 0001-9054, Vol. 66, Nº. 1-2, 2003, págs. 180-190

    

  • Upper and lower solutions for first order problems with nonlinear boundary conditions

    Donal O'Regan, Daniel Franco Coronil, Juan José Nieto Roig

    Extracta mathematicae, ISSN 0213-8743, Vol. 18, Nº 2, 2003, págs. 153-160

    • Texto completo
    

  • Existence of positive solutions for the one-dimension singular p-laplacian equation with sign changing nonlinearities via the method of upper and lower solution

    Donal O'Regan, Ravi P. Agarwal, Haishen Lü

    Methods and applications of analysis, ISSN 1073-2772, Vol. 10, Nº 4, 2003, págs. 533-542

    

  • Infinite Interval Problems Arising in the Model of a Slender Dry Patch in a Liquid Film Draining Under Gravity Down an Inclined Plane

    Ravi P. Agarwal, Donal O'Regan

    Methods and applications of analysis, ISSN 1073-2772, Vol. 10, Nº 3, 2003, págs. 363-376

    

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