Geodesic
Positive periodic solutions of nonlinear functional difference equations
Electronic Journal of Differential Equations, Tome 2002 (2002).

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: In this paper, we apply a cone theoretic fixed point theorem to obtain sufficient conditions for the existence of multiple positive periodic solutions to the nonlinear functional difference equations $$ x(n+1)=a(n)x(n)\pm \lambda h(n) f(x(n-\tau(n))). $$
Classification : 39A10, 39A12
Keywords: cone theory, positive, periodic, functional difference equations 
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     author = {Raffoul, Youssef N.},
     title = {Positive periodic solutions of nonlinear functional difference equations},
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     volume = {2002},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a173/}
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Raffoul, Youssef N. Positive periodic solutions of nonlinear functional difference equations. Electronic Journal of Differential Equations, Tome 2002 (2002). http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a173/