Extremal contractions of 2-Fano fourfolds

2014/06/12 by Schrack, Florian
#14J45 (Primary) 14E30 (Secondary) #Algebraic Geometry (math.AG) #FOS: Mathematics

paper · doi:10.48550/arxiv.1406.3180

Abstract

We consider extremal contractions on smooth Fano fourfolds whose second Chern character is positive. We show that such contractions can neither be of fiber type nor contract a divisor to a point.

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