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Now showing items 21-30 of 54
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)
Existence of positive solutions for boundary-value problems with singularities in phase variables
(Cambridge University Press (CUP), 2004-02-01)
The singular boundary-value problem (g(x'))' = muf(t,x,x'), x'(0) = 0, x(T) = b > 0 is considered. Here mu is the parameter and f(t,x,y), which satisfies local Caratheodory conditions on [0, T] x (R \ {b}) x (R \ {0}), ...
Constant-sign solutions of systems of higher order boundary value problems with integrable singularities
(Elsevier BV, 2006-12-01)
Homotopy and normalization properties for admissible maps
(Elsevier BV, 2005-01-01)
General existence principles for nonlocal boundary value problems withφ-laplacian and their applications
(Hindawi Limited, 2006-01-01)
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 ...
Existence criteria for singular boundary value problems with sign changing nonlinearities
(Elsevier BV, 2002-08-01)
Singular problems modelling phenomena in the theory of pseudoplastic fluids
(Cambridge University Press (CUP), 2003-10-01)
Existence criteria are presented for nonlinear singular initial and boundary value problems. In particular our theory includes a problem arising in the theory of pseudoplastic fluids.