The Orevkov invariant of an affine plane curve

2001/10/26 by Walter D. Neumann, Paul Norbury
Mathematics · #math.AG #msc:14H30 #msc:14R10 #msc:57M25

paper · pdf

published as Trans. Amer. Math. Soc. 355 (2003), 519--538. · 20 pages

arxiv created 2001/10/26 · arxiv updated 2009/11/30

Abstract

We show that although the fundamental group of the complement of an algebraic affine plane curve is not easy to compute, it possesses a more accessible quotient, which we call the Orevkov invariant.

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