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math.AG2022
Toric non-Gorenstein loci
Kemal Rose
We describe the non-Gorenstein loci of normal toric varieties. In the case of Hibi rings a combinatorial description is provided in terms of the underlying partially ordered set. A…
math.AG2022
Lines on -adic and real cubic surfaces
Rida Ait El Manssour, Yassine El Maazouz, Enis Kaya +1
We study lines on smooth cubic surfaces over the field of -adic numbers, from a theoretical and computational point of view. Segre showed that the possible counts of such lines…