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Homotopical and combinatorial properties of extension categories

Le : 22/05/2017 14h00
Par : Vladimir Retakh (Rutgers)
Lieu : I001
Lien web :
Résumé : We will discuss combinatorial properties of the Waldhausen S-construction, which was invented for the purposes of algebraic K-theory and compute homotopical groups of extension categories. These results are used to give a definition of Massey-Yoneda operations without resolutions.