School of Mathematics Colloquium
Galois closure of essentially finite morphisms
by Prof. Antei Marco (University of Lille, France)
Thursday, January 21, 2010
from
to
(Asia/Kolkata)
at Colaba Campus ( AG-69 )
at Colaba Campus ( AG-69 )
Description |
Let $X$ be a scheme over a field $k$ amd $f:Y\to x$ an essentially finite morphism. We construct a `Galois closure' of $f$, i.e, the smallest possible torsor dominating it. As an application we construct the Galois closure of towers of torsors. (Work in collaboration with Michel Emsalem). |
Organised by | Aravindakshan T |