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Bujalance, E. and Etayo Gordejuela, J. Javier and Gamboa, J. M. and Gromadzki, G. (2011) The Gonality Of Riemann Surfaces Under Projections By Normal Coverings. Journal Of Pure And Applied Algebra, 215 (5). pp. 983-988. ISSN 0022-4049
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Official URL: http://www.sciencedirect.com/science/article/pii/S0022404910001581
Abstract
A compact Riemann surface X of genus g ≥ 2 which can be realized as a q-fold, normal covering of a compact Riemann surface of genus p is said to be (q, p)-gonal.
In particular the notion of (2, p)-gonality coincides with p-hyperellipticity and (q, 0)-gonality coincides with ordinary q-gonality.
Here we completely determine the relationship between the
gonalities of X and Y for an N-fold normal covering X → Y between compact Riemann surfaces X and Y.
As a consequence we obtain classical results due to Maclachlan (1971) [5] and Martens (1977) [6].
Item Type: | Article |
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Uncontrolled Keywords: | Mathematics, Applied; Mathematics |
Subjects: | Sciences > Mathematics > Functions |
ID Code: | 15207 |
Deposited On: | 16 May 2012 08:24 |
Last Modified: | 07 Aug 2018 07:25 |
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