The Fundamental Group of Some Siegel Modular Threefolds
K. Hulek, G. K. Sankaran
alg-geomarXiv:alg-geom/9401003
Abstract
Let A be the moduli space of (1,p)-polarised abelian surfaces with a level structure, for p an odd prime. Let X be a desingularisation of any algebraic compactification of A. Then X is simply-connected.
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