On elementary maps
Jerzy Dydak (1974)
Colloquium Mathematicae
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Jerzy Dydak (1974)
Colloquium Mathematicae
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Andrzej Ehrenfeucht, Edward Grzegorek (1974)
Colloquium Mathematicae
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F. Balibrea, C. La Paz (1997)
Annales Polonici Mathematici
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One-dimensional turbulent maps can be characterized via their ω-limit sets [1]. We give a direct proof of this characterization and get stronger results, which allows us to obtain some other results on ω-limit sets, which previously were difficult to prove.
William T. Tutte (1999)
Annales de l'institut Fourier
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A numerical function of bicubic planar maps found by the author and colleagues is a special case of a polynomial due to François Jaeger.
Fusy, Éric (2005)
Séminaire Lotharingien de Combinatoire [electronic only]
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Cowen, Robert (2001)
Southwest Journal of Pure and Applied Mathematics [electronic only]
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Bouttier, J., Di Francesco, P., Guitter, E. (2004)
The Electronic Journal of Combinatorics [electronic only]
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Schaeffer, Gilles (1997)
The Electronic Journal of Combinatorics [electronic only]
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Lluis Alsedà, Jaume Llibre (1989)
Banach Center Publications
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Jingyal Pak (1978)
Colloquium Mathematicae
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Bonichon, Nicolas, Bousquet-Mélou, Mireille, Fusy, Éric (2009)
Séminaire Lotharingien de Combinatoire [electronic only]
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Władysław A. Majewski, Marcin Marciniak (2007)
Banach Center Publications
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The structure of the set of positive unital maps between M₂(ℂ) and Mₙ(ℂ) (n ≥ 3) is investigated. We proceed with the study of the "quantized" Choi matrix thus extending the methods of our previous paper [MM2]. In particular, we examine the quantized version of Størmer's extremality condition. Maps fulfilling this condition are characterized. To illustrate our approach, a careful analysis of Tang's maps is given.
Felsner, Stefan, Zickfeld, Florian (2008)
The Electronic Journal of Combinatorics [electronic only]
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