Título: | Topological Types Of P-Hyperelliptic Real Algebraic-Curves |
Autores: | Gamboa, J. M. ; Bujalance, E. ; Etayo Gordejuela, J. Javier |
Tipo de documento: | texto impreso |
Editorial: | Springer, 1987 |
Palabras clave: | Estado = Publicado , Materia = Ciencias: Matemáticas: Geometria algebraica , Tipo = Artículo |
Resumen: |
Given a natural number p, a projective irreducible smooth algebraic curve V defined over R is called p-hyperelliptic if there exists a birational isomorphism of V, of order 2, such that V/ has genus p. This work is concerned with the existence of such curves according to their genus g and the number k of connected components of V(R). We prove that Harnack’s condition 1 k g is sufficient if V \ V (R) is connected. In case V \ V (R) non-connected, the following conditions 1 k g + 1 (g + k 1(2)), and either k = g + 1 ? 2q for some q, 0 q p, or k 2p + 2 with = 1 for even p, = 2 for odd p, are necessary and sufficient for the existence of the curve. |
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