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Ernest-Ulrich Gekeler

2009-05-22
09:00:00 - 09:50:00

Zeroes of Drinfeld modular forms

101 , Mathematics Research Center Building (ori. New Math. Bldg.)

Drinfeld modular forms are similar to the discriminant function, Eisenstein series, or other modular forms for the classical modular group SL(2;Z), but are defined on the "Drinfeld upper half-plane" . The location of their zeroes may be described in terms of the Bruhat-Tits tree associated to . We present some known and some less-known examples of such forms and their zeroes.