Geodesic
Analytic partial orders and oriented graphs
Alain Louveau1
1 Institut de Mathématiques de Jussieu Analyse Fonctionnelle, boîte 186 Université Paris 6 4 Place Jussieu F-75252 Paris Cedex 05, France
Fundamenta Mathematicae, Tome 192 (2006) no. 3, pp. 233-243.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

We prove that there is no maximum element, under Borel reducibility, in the class of analytic partial orders and in the class of analytic oriented graphs. We also provide a natural jump operator for these two classes.
DOI : 10.4064/fm192-3-3
Keywords: prove there maximum element under borel reducibility class analytic partial orders class analytic oriented graphs provide natural jump operator these classes

Alain Louveau 1

1 Institut de Mathématiques de Jussieu Analyse Fonctionnelle, boîte 186 Université Paris 6 4 Place Jussieu F-75252 Paris Cedex 05, France 
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Alain Louveau. Analytic partial orders and oriented graphs. Fundamenta Mathematicae, Tome 192 (2006) no. 3, pp. 233-243. doi : 10.4064/fm192-3-3. http://geodesic.mathdoc.fr/articles/10.4064/fm192-3-3/

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