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URL:https://uwaterloo.ca/pure-mathematics-geometry-topology/events/height-m
 oduli-algebraic-stacks-and-counting-families
SUMMARY:Height moduli on algebraic stacks and counting families of varietie
 s
CLASS:PUBLIC
DESCRIPTION:JUN-YONG PARK\, UNIVERSITY OF MELBOURNE\n\nI will begin by revi
 ewing a classical algorithm of Tate with some\nexplicit polynomial calcula
 tions. Combining this with twisted stable\nmaps theory leads us to the hei
 ght moduli of rational points of fixed\nstacky height on the fine modular 
 curve Mbar_{1\,1} over global\nfunction fields. We will then compute arith
 metic invariants of\nelliptic surfaces moduli via topological methods and 
 give applications\nto counting elliptic curves over Fq(t).\n\nMC 5417
DTSTAMP:20260311T025018Z
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