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International conference "Birational and affine geometry"
April 24, 2012 14:30–15:20, Moscow, Steklov Mathematical Institute of RAS
 


On the rectifiability of rational plane curves

K. Palkaab

a Polish academy of sciences
b University of Quebec at Montreal

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K. Palka
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Abstract: Let $\bar E\subseteq \mathbb{P}^2$ be a rational cuspidal curve defined over complex numbers. The Coolidge-Nagata conjecture states that such a curve is rectifiable, i.e. it can be transformed into a line by a birational automorphism of $\mathbb{P}^2$. We will prove some new results in this direction, showing in particular that the conjecture holds if $\bar E$ has more than four cusps.

Language: English

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