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math.NT2004★ 3 cited
On the existence of non-special divisors of degree and in algebraic function fields over $\F_q$
Stephane Ballet, Dominique Le Brigand
We study the existence of non-special divisors of degree and for algebraic function fields of genus defined over a finite field $\F_q$. In particular, we prove…
math.NT2004★ 1 cited
Descent of the Definition Field of a Tower of Function Fields and Applications
Stephane Ballet, Dominique Le Brigand, Robert Rolland
Let us consider an algebraic function field defined over a finite Galois extension of a perfect field . We give some conditions allowing the descent of the definition field…