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math.AG2016★ 2 cited
Some elementary examples of non-liftable schemes
Piotr Achinger, Maciej Zdanowicz
We present some simple examples of smooth projective varieties in positive characteristic, arising from linear algebra, which do not admit a lifting neither to characteristic zero,…
math.AG2016
Liftability of singularities and their Frobenius morphism modulo
Maciej Zdanowicz
We investigate the -liftability of singular schemes. We prove constructibility of the locus of -liftable schemes in a flat family . Moreover, we construct…