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# Chad Schoen : Threefolds with trivial canonical sheaf in positive characteristic

We study smooth, projective varieties with trivial canonical sheaf. Properties of such varieties over the complex numbers will be recalled, especially in dimension 3 in the case that the first cohomology group is zero. We construct examples in positive characteristic which have quite different properties. This leads us to explore the notion of supersingularity and to pose some open questions.

**Category**: Algebraic Geometry**Duration**: 01:34:46**Date**: November 14, 2007 at 4:25 PM-
**Tags:**seminar, Algebraic Geometry Seminar

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