Abstract and Applied Analysis
Volume 6 (2001), Issue 3, Pages 151-161

Periodic solutions of a class of non-autonomous second-order differential inclusions systems

Daniel Paşca

Department of Mathematics, University of Oradea, Armatei Romane 5, Oradea 3700, Romania, Romania

Received 15 March 2001

Copyright © 2001 Daniel Paşca. 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.


Using an abstract framework due to Clarke (1999), we prove the existence of periodic solutions for second-order differential inclusions systems.