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math.AG2020
On the -Euler characteristic of the variety of maximal tori in a reductive group
Alexey Ananyevskiy
We show that for a reductive group over a field the -Euler characteristic of the variety of maximal tori in is an invertible element of the Grothendieck-W…
math.AG2019
SL-oriented cohomology theories
Alexey Ananyevskiy
We show that a representable motivic cohomology theory admits a unique normalized SL^c-orientation if the zeroth cohomology presheaf is a Zariski sheaf. We also construct Thom isom…