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Regular version of the site

Math Department Colloquium: Pierre Deligne

Event ended
Speaker: Pierre Deligne
Time and place: Tuesday, December 20, 5pm, room 427.
Titile: Report on non-congruence subgroups of SL(2,Z).

Abstract
I will explain the few general results known about moduli interpretations of non congruence
subgroups of SL(2,Z), and give some examples.