Matthew Morrow - Motivic cohomology of formal schemes in characteristic p

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Mardi 29 mars 2016

The logarithmic Hodge-Witt sheaves of Illusie, Milne, Kato, et al. of a smooth variety in characteristic p provide a concrete realisation of its p-adic motivic cohomology, thanks to results of Geisser-Levine and Bloch-Kato-Gabber which link them to algebraic K-theory. I will explain an analogous theory for formal schemes, as well as applications to algebraic cycles, such as a weak Lefschetz theorem for formal Chow groups.
  1. Institut des Hautes Etudes Scientifiques (IHES)
  2. IHES
  3. SCIENCE
  4. MATHEMATIQUES
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