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How differential invariants might be used in algebra.

Le : 07/11/2011 14h00
Par : Valentin LYCHAGIN (Université de Tromso, Norvège)
Lieu : I 103
Lien web :
Résumé : In this talk I'll outline an application of differential invariants to algebraic problems. The proposed approach is based on a version of Lie-Tresse theorem proven by Kruglikov-Lychagin. This method will be illustrated on the classical classification problems for Lie group actions on n-ary forms. The last part of the talk is based on joint results with Pavel Bibikov.