Open Access

Oscillatory mixed difference systems

Advances in Difference Equations20062006:092923

Received: 2 November 2005

Accepted: 21 February 2006

Published: 8 June 2006


The aim of this paper is to discuss the oscillatory behavior of difference systems of mixed type. Several criteria for oscillations are obtained. Particular results are included in regard to scalar equations.


Authors’ Affiliations

Departamento de Matemática, Instituto Superior Técnico
Departamento de Matemática, Universidade dos Açores


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© J. M. Ferreira and S. Pinelas 2006

This article is published under license to BioMed Central Ltd. 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.