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math.NT2020
On class number relations, intersections, and GL(2)-tale over the function field side
Jia-Wei Guo, Fu-Tsun Wei
The aim of this paper is to study class number relations over function fields and the intersections of Hirzebruch-Zagier type divisors on the Drinfeld-Stuhler modular surfaces. The…
math.NT2020
Sturm-type bounds for modular forms over functions fields
Cécile Armana, Fu-Tsun Wei
In this paper, we obtain two analogues of the Sturm bound for modular forms in the function field setting. In the case of mixed characteristic, we prove that any harmonic cochain i…