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Título: Potential Wadse Classes | |
Autor: Lecomte, Dominique | Precio: $905.61 | |
Editorial: American Mathematical Society | Año: 2013 | |
Tema: | Edición: 1ª | |
Sinopsis | ISBN: 9780821875575 | |
Let G be a Borel class, or a Wadge class of Borel sets, and 2=d=? be a cardinal. A Borel subset B of R d is potentially in G if there is a finer Polish topology on R such that B is in G when R d is equipped with the new product topology. The author provides a way to recognize the sets potentially in G and applies this to the classes of graphs (oriented or not), quasi-orders and partial orders.
Table of Contents ¦Introduction ¦A condition ensuring the existence of complicated sets ¦The proof of Theorem 1.10 for the Borel classes ¦The proof of Theorem 1.11 for the Borel classes ¦The proof of Theorem 1.10 ¦The proof of Theorem 1.11 ¦Injectivity complements ¦Bibliography |