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On some indefinite theta functions related to McKay--Thompson series attached to $M_{24}$

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Speaker: 
Sander Zwegers
Affiliation: 
Universität zu Köln
Date: 
Tue, 2018-09-04 14:15 - 15:00
Location: 
MPIM Lecture Hall

In this talk we'll discuss the construction of certain indefinite theta functions involving the Niemeier lattice $A_1^{24}$. We'll relate these indefinite theta functions to the McKay--Thompson series attached to the Mathieu group $M_{24}$

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