U. Walther

activity

19972009

most citedIrregularity of hypergeometric systems via slopes along coordinate subspaces

68 citations · 123 across the 10 of their papers we have counts for

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Showing 2006Show all

2 papers · 1 filter

math.AG2006★ 68 cited

Irregularity of hypergeometric systems via slopes along coordinate subspaces

Mathias Schulze, Uli Walther

We study the irregularity sheaves attached to the $A$ -hypergeometric $D$ -module $M_{A} (β)$ introduced by Gel'fand et al., where $A \in Z^{d \times n}$ is pointed of full rank a…

math.AC2006

A connectedness result in positive characteristic

Anurag K. Singh, Uli Walther

Let $(R, m)$ be a complete local ring of positive dimension, which contains a separably closed coefficient field of prime characteristic. Using a vanishing theorem of Peskine-Szpiro…