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Positive solutions to superlinear singular boundary value problems
(Elsevier BV, 1998-02-01)
Coincidence points for perturbations of linear fredholm maps of index zero
(European Mathematical Publishing House, 1999-01-01)
Coincidence points for single and set valued maps are discussed in this paper. We show if F is essential and F congruent to G then G has a coincidence point.
Second-order boundary value problems of singular type
(Elsevier BV, 1998-10-01)
Oscillation criteria for certain nth order differential equations with deviating arguments
(Elsevier BV, 2001-10-01)
Fixed point theory for self maps between fréchet spaces
(Elsevier BV, 2001-04-01)
Positive solutions of singular problems with sign changing carathéodory nonlinearities depending on x′
(Elsevier BV, 2003-03-01)
General existence principles for nonlocal boundary value problems withφ-laplacian and their applications
(Hindawi Limited, 2006-01-01)
Singular boundary value problems for superlinear second order ordinary and delay differential equations
(Elsevier BV, 1996-09-01)
On constant-sign periodic solutions in modelling the spread of interdependent epidemics
(Cambridge University Press (CUP), 2006-01-01)
We consider the following model that describes the spread of n types of epidemics which are interdependent on each other:
u(i)(t) = integral(t)(t-r) g(i)(t, s) f(i) (s, u(1)(s), u(2)(s),..., u(n)(s))ds, t is an element of ...