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math.AG2018
Dependence of Lyubeznik numbers of cones of projective schemes on projective embeddings
Thomas Reichelt, Morihiko Saito, Uli Walther
We construct complex projective schemes with Lyubeznik numbers of their cones depending on the choices of projective embeddings. This answers a question of G. Lyubeznik in the char…
math.AG2018
Examples of hypergeometric twistor -modules
Alberto Castaño Domínguez, Thomas Reichelt, Christian Sevenheck
We show that certain one-dimensional hypergeometric differential systems underlie objects of the category of irregular mixed Hodge modules, which was recently introduced by Sabbah,…