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math.NT2019
A Modular Interpretation of BBGS Towers
Rui Chen, Zhuo Chen, Chuangqiang Hu
In 2000, based on his procedure for constructing explicit towers of modular curves, Elkies deduced explicit equations of rank-2 Drinfeld modular curves which coincide with the asym…
math.NT2019
Weierstrass Semigroups From a Tower of Function Fields Attaining the Drinfeld-Vladut Bound
Shudi Yang, Chuangqiang Hu
For applications in algebraic geometric codes, an explicit description of bases of Riemann-Roch spaces of divisors on function fields over finite fields is needed. We investigate t…