# American Institute of Mathematical Sciences

April  2007, 17(2): 331-347. doi: 10.3934/dcds.2007.17.331

## On periodic orbits of polynomial relay systems

 1 Institut de Mathématiques de Bourgogne, UMR CNRS 5584, Université de Bourgogne, Dijon, France 2 Instituto de Matemática e Estatística, University of Campinas, Campinas, Brazil

Received  December 2005 Revised  September 2006 Published  November 2006

We present an algorithm which determines global conditions for a class of discontinuous vector fields in 4D (called polynomial relay systems) to have periodic orbits. We present explicit results relying on constructive proofs, which involve classical Effective Algebraic Geometry algorithms.
Citation: Alain Jacquemard, Weber Flávio Pereira. On periodic orbits of polynomial relay systems. Discrete & Continuous Dynamical Systems - A, 2007, 17 (2) : 331-347. doi: 10.3934/dcds.2007.17.331
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