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This article is cited in 3 scientific papers (total in 3 papers)
Counting ramified coverings and intersection theory on Hurwitz spaces. II. Local structure of Hurwitz spaces and combinatorial results
D. Zvonkine Institut de Mathématiques de Jussieu
Abstract:
The Hurwitz space is a compactification of the space of rational functions of a given degree. We study the intersection of various strata of this space with its boundary. A study of the cohomology ring of the Hurwitz space then allows us to obtain recurrence relations for certain numbers of ramified coverings of a sphere by a sphere with prescribed ramifications. Generating functions for these numbers belong to a very particular subalgebra of the algebra of power series.
Key words and phrases:
Riemann surfaces, moduli space, ramified coverings, Lyashko–Looijenga map, Hurwitz space, Hurwitz numbers.
Received: April 12, 2006
Citation:
D. Zvonkine, “Counting ramified coverings and intersection theory on Hurwitz spaces. II. Local structure of Hurwitz spaces and combinatorial results”, Mosc. Math. J., 7:1 (2007), 135–162
Linking options:
https://www.mathnet.ru/eng/mmj274 https://www.mathnet.ru/eng/mmj/v7/i1/p135
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Abstract page: | 503 | References: | 119 |
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