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Graduate Student Seminar: "De Rham cohomology, crystals, and the infinitesimal site"
Wed, May 6, 2009 4:00PM - 5:00PM
Time:4:00PM - 5:00PM
Location:Simons Auditorium
Speakers:David Brown, David Brown
Abstract:The constructions of $p$-adic cohomology (e.g. rigid and crystalline cohomology) for smooth varieties are motivated by the construction of de Rham cohomology of arbitrary varieties in characteristic 0. I will explain the characteristic 0 story -- from the basics of de Rham cohomology to Grothendieck's crystals, a differential free way to study de Rham theory.