24–28 oct. 2022
Louvre Lens Vallée
Fuseau horaire Europe/Paris
À l'occasion du 64ème anniversaire de Bruno Kahn

Unramified cohomology and P^1-invariance

26 oct. 2022, 11:35
1h
Louvre Lens Vallée

Louvre Lens Vallée

84 Rue Paul Bert, 62300 Lens

Orateur

Takao Yamazaki (Chuo University)

Description

Binda-Rulling-Saito proved that a smooth proper variety with universally trivial Chow group of zero-cycles has trivial unramified cohomology for any reciprocity sheaves.
We generalize this result to P^1-invariant sheaves with transfers. A key ingredient is a new moving lemma.
This is joint work with Wataru Kai and Shusuke Otabe.

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