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    Title      l  The Fundamental Group Scheme of a non Reduced Scheme
    Author   l  Marco Antei
    Date   l  2011-03-09
    Category   l  ASARC-Preprint-11-02
    Download    l 1299650041_0.460801.pdf  
Abstract. We extend the de nition of fundamental group scheme to non
reduced schemes over any connected Dedekind scheme. Then we compare the
fundamental group scheme of an ane scheme with that of its reduced part.
Mathematics Subject Classi cation. Primary: 14L15. Secondary:
14G17.
Key words: torsors, fundamental group scheme.

Keyword

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