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math.AG2008
On some Fano--Enriques threefolds
Ilya Karzhemanov
We give a classification of Fano threefolds with canonical Gorenstein singularities such that possess a regular involution, which acts freely on some smooth surface in $|-K…
math.AG2008★ 6 cited
On Fano threefolds with canonical Gorenstein singularities
Ilya Karzhemanov
We classify three-dimensional Fano varieties with canonical Gorenstein singularities of degree bigger than 64.
math.AG2008
Halphen pencils on quartic threefolds
Ivan Cheltsov, Ilya Karzhemanov
For every smooth quartic threefold, we classify all pencils on it whose general element is an irreducible surface birational to a smooth surface of Kodaira dimension zero.