The Period Lattice for Enriques Surfaces
classification
🧮 math.AG
keywords
enriquessurfacesallowsargumentsarithmeticcomplexcontractiblecover
read the original abstract
We simplify the usual statement of the Torelli theorem for complex Enriques surfaces, by means of a lattice-theoretic trick. This allows easy proofs of several known results, which previously required intricate arithmetic arguments. The main new result is that the moduli space has contractible universal cover.
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