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Mark Behrens
I will begin with an elementary discussion on faithfully flat descent.
I will then discuss the notion of a category enriched in a site, and
will define presheaves on these things. I'll decribe how to take the
cohomology of these things, and will investigate the invariance
properties of this cohomology.
I'm secretly talking about the cohomology of sheaves on a stack, and
the Morava change of rings theorem.
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