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The fundamental group of a surface, and a theorem of Schreier

✍ Scribed by H. B. Griffiths


Book ID
112742100
Publisher
Springer Netherlands
Year
1963
Tongue
English
Weight
801 KB
Volume
110
Category
Article
ISSN
0001-5962

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Let X , be a geometrically connected smooth and proper curve over a local or global field K . Following GROTHENDIECK [3] there is a canonical exact sequence for the (etale) fundamental group z,(X,) of X,. (Here and in the following we will omit the base points.) where I? denotes an algebraic closur