Periodic segments and Nielsen numbers
We prove that the Poincaré map has at least fixed points (whose trajectories are contained inside the segment W) where the homeomorphism is given by the segment W.
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Klaudiusz Wójcik (1999)
Banach Center Publications
We prove that the Poincaré map has at least fixed points (whose trajectories are contained inside the segment W) where the homeomorphism is given by the segment W.
Llibre, Jaume, Todd, Michael (2005)
Abstract and Applied Analysis
A. Cañada, A. Zertiti (1993)
Extracta Mathematicae
Jean-Claude Sikorav (1987)
Commentarii mathematici Helvetici
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