International Journal of Stochastic Analysis

International Journal of Stochastic Analysis / 1996 / Article

Open Access

Volume 9 |Article ID 241932 |

Abdelkader Boucherif, Eduardo García-Río, Juan J. Nieto, "Periodic solutions of quasi-differential equations", International Journal of Stochastic Analysis, vol. 9, Article ID 241932, 10 pages, 1996.

Periodic solutions of quasi-differential equations

Received01 Jan 1995
Revised01 Dec 1995


Existence principles and theorems are established for the nonlinear problem Lu=f(t,u) where Lu=(pu)+hu is a quasi-differential operator and f is a Carathéodory function. We prove a maximum principle for the operator L and then we show the validity of the upper and lower solution method as well as the monotone iterative technique.

Copyright © 1996 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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