Gonality and Clifford index for real algebraic curves
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Let $X$ be a smooth connected projective curve of genus g defined over $\mathbb{R}$. Here we give bounds for the real gonality of $X$ in terms of the complex gonality of $X$.
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Ballico, E. (Edoardo) , 1955-. “Gonality and Clifford index for real algebraic curves”. Collectanea Mathematica, vol.VOL 53, no. 1, pp. 49-53, https://raco.cat/index.php/CollectaneaMathematica/article/view/56528.
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