Article ID Journal Published Year Pages File Type
4587584 Journal of Algebra 2009 20 Pages PDF
Abstract

We define a differential Tannakian category and show that under a natural assumption it has a fibre functor. If in addition this category is neutral, that is, the target category for the fibre functor are finite dimensional vector spaces over the base field, then it is equivalent to the category of representations of a (pro-)linear differential algebraic group. Our treatment of the problem is via differential Hopf algebras and Deligne's fibre functor construction [P. Deligne, Catégories tannakiennes, in: The Grothendieck Festschrift, vol. II, in: Progr. Math., vol. 87, Birkhäuser Boston, Boston, MA, 1990, pp. 111–195].

Related Topics
Physical Sciences and Engineering Mathematics Algebra and Number Theory