A real Riemann-Hurwitz theorem

Ronga, Felice

doi:10.1007/BF01244243

Scientific article

English

A real Riemann-Hurwitz theorem

ContributorsRonga, Felice

Published inBoletim da Sociedade Brasileira de Matemática, vol. 31, no. 2, p. 175-187

Publication date2000

Abstract

We prove a real version of the Riemann-Hurwitz theorem and apply it to solve a problem of enumerative geometry in the real case: the number of plane projective curves tangent to a line and passing through the appropriate number of points.

Keywords

Ramificaton points
Plane curves

Affiliation entities

Faculté des sciences / Section de mathématiques

Citation (ISO format)

RONGA, Felice. A real Riemann-Hurwitz theorem. In: Boletim da Sociedade Brasileira de Matemática, 2000, vol. 31, n° 2, p. 175–187. doi: 10.1007/BF01244243

Article (Published version)

Identifiers

PID : unige:12547
DOI : 10.1007/BF01244243

Additional URL for this publicationhttp://www.springerlink.com/index/10.1007/BF01244243

Journal ISSN0100-3569

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A real Riemann-Hurwitz theorem

We prove a real version of the Riemann-Hurwitz theorem and apply it to solve a problem of enumerative geometry in the real case: the number of plane projective curves tangent to a line and passing through the appropriate number of points.

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