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#### Fixed point theorems for nonlinear operators

(Elsevier BV, 1996-09-01)

#### Boundary value problems singular in the solution variable with nonlinear boundary data

(Cambridge University Press (CUP), 1996-10-01)

Existence results are established for the equation y '' +f(t, y) = 0, 0 < t < 1. Here f may be singular in y and f is allowed to change sign. Our boundary data include y(0) = y'(1) + ky(1) = 0, k > -1 and y(0) = ...

#### Time scale boundary value problems on infinite intervals

(Elsevier BV, 2002-04-01)

#### Existence and multiplicity of solutions for some three-point nonlinear boundary value problems

(Springer Nature, 2006-01-01)

We study the existence and multiplicity of solutions for the three-point nonlinear boundary value problem u '' ( t) +lambda a(t) f (u) = 0, 0 < t < 1; u( 0) = 0 = u(1)-gamma u(eta), where eta is an element of (0,1), ...

#### Positive solvability of systems of nonlinear hammerstein integral equations

(Elsevier BV, 2005-11-01)

#### Dynamic equations on time scales: a survey

(Elsevier BV, 2002-04-01)

#### Existence theory for single and multiple solutions to singular positone boundary value problems

(Elsevier BV, 2001-09-01)