New developments in the theory of modular forms over function fields

poster: Integrality of Drinfeld modular forms of arbitrary rank

speaker: Sugiyama Yusuke (Osaka university)

abstract: We show certain Drinfeld modular forms of arbitrary rank, which are called coefficient froms are integral. Moreover we study congrueces between Drinfeld modular forms. The results for rank 2 case are proved in Gekeker's paper in 1988.

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