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Now showing items 1-10 of 12

#### Positive solutions to singular initial value problems with sign changing nonlinearities

(Elsevier BV, 1998-08-01)

#### Second-order boundary value problems of singular type

(Elsevier BV, 1998-10-01)

#### Nonlinear superlinear singular and nonsingular second order boundary value problems

(Elsevier BV, 1998-02-01)

#### Multiple solutions for the dirichlet second-order boundary value problem of nonsingular type

(Elsevier BV, 1999-04-01)

#### Singular boundary value problems for superlinear second order ordinary and delay differential equations

(Elsevier BV, 1996-09-01)

#### Singular differential equations with linear and nonlinear boundary conditions

(Elsevier BV, 1998-02-01)

Existence results are established for the singular equation y " + f(t, y) = 0, where f is not a Caratheodory function. Our nonlinearity f is allowed to change sign.

#### Positive solutions of singular and nonsingular fredholm integral equations

(Elsevier BV, 1999-12-01)

#### Periodic solutions for abstract operator equations

(Elsevier BV, 1999-07-01)

#### Resonant singular boundary value problems

(Rocky Mountain Mathematics Consortium, 1995-12-01)

Existence theory is developed for the ''resonant'' singular problem (1/(pq))(py')' + lambda(0)y = f(t,y,py') almost everywhere on [0, 1] with lim(t-->0+) p(t)y'(t) = ay(1) + blim(t-->1-) p(t)y'(t) = 0. Here lambda(0) ...

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

(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.