most citedCounting ramified coverings and intersection theory on spaces of rational functions I (Cohomology of Hurwitz spaces)

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math.AG2003★ 7 cited

Counting ramified coverings and intersection theory on spaces of rational functions I (Cohomology of Hurwitz spaces)

Sergei Lando, Dimitri Zvonkine

The Hurwitz space is a compactification of the space of rational functions of a given degree. The Lyashko-Looijenga map assigns to a rational function the set of its critical value…