Classifies non-rational Fano threefolds with terminal Gorenstein singularities and finds all hyperelliptic and trigonal varieties in those classes.
Crepant blowing-up of 3-dimensional canonic al singularities and its application to degenerations of surfaces
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Rationality of Fano threefolds with terminal Gorenstein singularities, I
Classifies non-rational Fano threefolds with terminal Gorenstein singularities and finds all hyperelliptic and trigonal varieties in those classes.