Mathematics – Algebraic Geometry
Scientific paper
2009-03-25
Mathematics
Algebraic Geometry
22 pages. Some errors corrected and gaps fixed. Some more consequences added. Comments are very much welcome
Scientific paper
It is shown that the commutator subgroup of the fundamental group of a smooth
affine curve over an uncountable algebraically closed field $k$ of positive
characteristic is a profinite free group of rank equal to the cardinality of
$k$.
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