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Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.

2 votes

Cohomologie Etale

Yes, It is hosted on the wonderful webpage of J. Milne: Étale cohomology: starting points
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3 votes

Where can I find that Weil suggested a cohomology theory for characteristic $p>0$?

As already mentioned in the comments it is very likely that Weil's heuristics appear in "Numbers of solutions of equations in finite fields", Bull. Amer. Math. Soc. 55(5): 497--508 (May 1949). But as …
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6 votes

Authorship of Grothendieck universes

Even if there is an accepted answer, I would like to question the hypothesis. According to Ralf Krömer, La « machine de Grothendieck » se fonde-t-elle seulement sur des vocables métamathématiques? Bo …
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3 votes

Making the étale topos construction a fully faithful 2-functor from schemes to Grothendieck ...

Take a look at the paper of Barwick, Glasman and Haine (https://arxiv.org/pdf/1807.03281.pdf). In particular the section "Exodromy for schemes & the Reconstruction Theorem".
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2 votes
0 answers
288 views

Cartier and the continuity of the early history of schemes

If you allow me I would divide the early history of schemes this way _ Weil, Zariski, Bourbaki, Nagata, Van der Waerden,... up to Chevalley (you can find an interesting blog here) J P Serre varieties …
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5 votes

Has the mathematical content of Grothendieck's "Récoltes et Semailles" been used?

Yes, R&S proved to be influential in at least one sense, the mathematical work of Z. Mebkhout (part four is dedicated to him indeed: "À Zoghman Mebkhout l’ouvrier solitaire en témoignage de respect et …
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1 vote

A reference for geometric class field theory?

In the appendix to chapter I of Pursuing stacks, Grothendieck writes: A large part of the letter outlines (very sketchily) some main points of a duality program (including a cohomological formulation …
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1 vote

Exposition of Grothendieck's mathematics

For 5. Topoi. There is a very readable notice of the AMS: What is... a topos?, Luc Illusie, and with M Raynaud about Schemes at Grothendieck and Algebraic Geometry. In fact, the webpage of Professor L …
8 votes
0 answers
328 views

Who introduced the notion of ringed spaces?

My question is very concise, please forgive it. Who introduced the concept of ringed space? My first try would be that they were introduced by Cartan in his study of analytic functions with sheaves. …
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7 votes

Jouanolou thesis on l-adic cohomology

The thesis is now published and you can find it in HAL/TEL https://theses.hal.science/tel-04236971v1 Jean-Pierre Jouanolou. Catégories Dérivées en Cohomologie ℓ-adique. Mathématiques [math]. Faculté d …
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