Algebra and Geometry Seminar

Monday, October 22, 2018

4:00pm to 5:00pm

Linde Hall 387

The Monsky-Washnitzer site

Dingxin Zhang, Mathematics Department, Harvard University,

Rigid cohomology defined by Berthelot agrees with the formal cohomology defined Monsky and Washnitzer for smooth affine varieties. Motivated by this, mimicking the convergent theory of Ogus, we define a site using weakly completed algebras. We show a certain sheaf cohomology of this site agrees with Berthelot's rigid cohomology.

For more information, please contact Mathematics Dept. by phone at 626-395-4335 or by email at [email protected].

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Algebra & Geometry Seminar Series

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