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    AuthorO'Regan, Donal (6)O'Regan, D. (5)Agarwal, Ravi P. (3)Agarwal, R.P. (2)Meehan, M. (1)... View MoreSubject
    existence (12)
    positive solutions (5)differential-equations (3)2nd-order ordinary (1)boundary value problems (1)... View MoreDate Issued1999 (3)1998 (4)1997 (1)1996 (3)1995 (1)Type
    Article (12)

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    A general existence principle for strong solutions to the dirichlet problem for the equation δ u + f(t, u) = 0 

    O'Regan, D. (Elsevier BV, 1997-05-01)
    An existence principle is established for Delta u + f(t, u) = 0 on Omega, u = 0 on partial derivative Omega. Our theory relies on a fixed point result for weakly sequentially continuous and weakly compact maps.
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    Nonresonant nonlinear singular problems in the limit circle case 

    O'Regan, Donal (Elsevier BV, 1996-02-01)
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    Integral inclusions of upper semi-continuous or lower semi-continuous type 

    O’Regan, Donal (American Mathematical Society (AMS), 1996-08-01)
    Topological results for set valued maps are used to establish existence results for integral inclusions of Volterra or Hammerstein type.
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    Second-order boundary value problems of singular type 

    Agarwal, Ravi P.; O'Regan, Donal (Elsevier BV, 1998-10-01)
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    Singular boundary value problems for superlinear second order ordinary and delay differential equations 

    Agarwal, Ravi P.; O'Regan, Donal (Elsevier BV, 1996-09-01)
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    Nonlinear superlinear singular and nonsingular second order boundary value problems 

    Agarwal, Ravi P.; O'Regan, Donal (Elsevier BV, 1998-02-01)
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    Positive solutions to singular initial value problems with sign changing nonlinearities 

    Agarwal, R.P.; O'Regan, D. (Elsevier BV, 1998-08-01)
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    Multiple solutions for the dirichlet second-order boundary value problem of nonsingular type 

    Agarwal, R.P.; O'Regan, D. (Elsevier BV, 1999-04-01)
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    Positive solutions of singular and nonsingular fredholm integral equations 

    Meehan, Maria; O'Regan, Donal (Elsevier BV, 1999-12-01)
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    Periodic solutions for abstract operator equations 

    Meehan, M.; O'Regan, D. (Elsevier BV, 1999-07-01)
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