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Cubic curves and totally geodesic subvarieties of moduli space
(Annals of Mathematics, Princeton U, 2017)
In this paper we present the first example of a primitive, totally geodesic subvariety F⊂g,nF⊂Mg,n with dim(F)>1dim(F)>1. The variety we consider is a surface F⊂1,3F⊂M1,3 defined using the projective geometry of plane ...