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(2019.09.25)Luc Illusie:Old and new on the de Rham-Witt complex IV. Liftings mod $p^2$ and the Nygaard filtration II
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Update time: 2019-09-30
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Academy of Mathematics and Systems Science, CAS
Colloquia & Seminars

Speaker:

Luc Illusie, Université Paris-Sud

Inviter:  
Title:
Old and new on the de Rham-Witt complex IV. Liftings mod $p^2$ and the Nygaard filtration II
Time & Venue:
2019.09.25 11:00-12:00 N202
Abstract:
I will discuss some open problems arising from this new approach. In the second part, I will revisit liftings mod $p^2$ and decompositions of de Rham complexes ("Deligne-Illusie") in relation with a certain filtration on the de Rham-Witt complex.
 

 

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