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- Université Toulouse III - Paul SabatierFR31 papers
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5 papers · 1 filter
The geometric correspondence in some special cases
Cécile Poirier
The geometric Langlands correspondence for function fields over finite fields has been proved by Frenkel, Gaitsgory, Vilonen. The aim of this article is to write translation for cu…
Euler Characteristic of real nondegenerate tropical complete intersections
Benoit Bertrand, Frederic Bihan
We define nondegenerate tropical complete intersections imitating the corresponding definition in complex algebraic geometry. As in the complex situation, all nonzero intersection…
On points at infinity of real spectra of polynomial rings
François Lucas, Daniel Schaub, Mark Spivakovsky
Let R be a real closed field and A=R[x_1,...,x_n]. Let sper A denote the real spectrum of A. There are two kinds of points in sper A : finite points (those for which all of |x_1|,.…
Higher and derived stacks: a global overview
B. Toen
These are expended notes of my talk at the summer institute in algebraic geometry (Seattle, July-August 2005), whose main purpose is to present a global overview on the theory of h…
Euler characteristic of primitive T-hypersurfaces and maximal surfaces
Benoit Bertrand
Viro method plays an important role in the study of topology of real algebraic hypersurfaces. The T-primitive hypersurfaces we study here appear as the result of Viro's combinatori…