paper

G-Fano threefolds, I

arXiv:1012.4959 · doi:10.1515/advgeom-2013-0008

Abstract

We classify Fano threefolds with only terminal singularities whose canonical class is Cartier and divisible by 2, and satisfying an additional assumption that the -invariant part of the Weil divisor class group is of rank 1 with respect to an action of some group . In particular, we find a lot of examples of Fano 3-folds with "many" symmetries.

36 pages, LaTeX2e, a few typos are corrected

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G-Fano threefolds, I · wovepaper