We prove a non-existence result for special divisors of large dimension on curves over finite fields with many points. We also give a family of examples where such divisors exist under less stringent hypotheses.
Cite this article
José Felipe Voloch, Special divisors of large dimension on curves with many points over finite fields. Port. Math. 68 (2011), no. 1, pp. 103–107DOI 10.4171/PM/1882