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Two interesting examples of $\mathcal{D}$-modules in characteristic $p>0$.

Thu, 10/14/2010 - 15:01 — SomNambul
Authors: Mordechai Katzman, Gennady Lyubeznik, Wenliang Zhang
Subjects: Commutative Algebra
link: http://arxiv.org/abs/1010.2525
Abstract

We provide two examples of $\mathcal{D}$-modules in prime characteristic $p$
which answer two open problems in \cite{Lyubeznik} in the negative.