68 citations · 124 across the 13 of their papers we have counts for
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math.AG2018
On normalized Horn systems
Christine Berkesch, Laura Felicia Matusevich, Uli Walther
We characterize the (regular) holonomicity of Horn systems of differential equations under a hypothesis that captures the most widely studied classical hypergeometric systems.
math.AG2018
On categories of equivariant D-modules
András C. Lőrincz, Uli Walther
Let be a variety with an action by an algebraic group . In this paper we discuss various properties of -equivariant -modules on , such as the decompositions of thei…
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…