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We present a new explicit tower of function fields (F n) n≥0 over the finite field with = q 3 elements, where the limit of the ratios (number of rational places of F n)/(genus of F n) is bigger or equal to 2(q 2 − 1)/(q + 2). This tower contains as a subtower the tower which was introduced by Bezerra– Garcia–Stichtenoth (see [3]), and in the particular case… (More)

Let C be a (non-singular, projective, geometrically irreducible, algebraic) curve of genus g defined over a finite field F q with q elements. We know after A. Weil that the number of F q-points of a curve of genus g defined over F q satisfies the following limitations: q + 1 − 2g √ q ≤ #C(F q) ≤ 1 + q + 2g √ q, where C(F q) denotes the set of F q-rational… (More)

Towers of function fields (resp., of algebraic curves) with positive limit provide examples of curves with large genus having many rational points over a finite field. It is in general a difficult task to calculate the genus of a wild tower. In this paper, we present a method for calculating the genus of certain Artin–Schreier towers. As an illustration of… (More)

Asymptotics for the genus and the number of rational places in towers of function fields over a finite field Abstract We discuss the asymptotic behaviour of the genus and the number of rational places in towers of function fields over a finite field.

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