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Heike Harenbrock

Mittagsseminar zur Arithmetik: Damien Junger (Münster): De Rahm cohomology of the tame cover in the Lubin-Tate tower

Tuesday, 17.10.2023 10:15 im Raum SRZ 216/217

Mathematik und Informatik

Drinfeld has constructed two towers of covers (MnLT)n and (MnDr)n as deformation spaces of formal modules. It is known that the supercuspidal part of the geometric étale -adique cohomology with compact support of these spaces provides geometric realizations of local Langlands and Jacquet-Langlands correspondances. We would like to establish the same correspondances for De Rham cohomology with compact support. We will explain how we could hope for a proof of these result in the particular case of the first cover of the Lubin-Tate by adapting the methods in Yoshida's thesis he exhibits a link between the geometry of these spaces and Deligne-Lusztig variety. It relies on the generalisation of an excision theorem of Grosse-Klönne, already used to prove the analogus result on the Drinfeld side.



Angelegt am 16.10.2023 von Heike Harenbrock
Geändert am 16.10.2023 von Heike Harenbrock
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