most citedConstruction of certain rational functions on the moduli stack of Drinfeld shtukas

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Construction of certain rational functions on the moduli stack of Drinfeld shtukas

Zhiyuan Ding

We construct certain rational functions (modular units) on the moduli stack of Drinfeld shtukas. The divisors of these rational functions are supported on horospherical divisors of…

math.AG2018

A toy model of shtukas

Zhiyuan Ding

Motivated by the question of constructing certain rational functions (modular units) on the moduli stack of Drinfeld shtukas, we introduce the notion of toy shtukas. We prove basic…