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Results tagged with ag.algebraic-geometry
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user 3888
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
4
votes
Accepted
Can the étale topology ever be realized as an "honest" topology?
I think Senor Borger speaks truth.
Maybe I am talking non-sense, but maybe this could be a sketch of some way to proceed (maybe not....):
Key feature of a site which we cannot have in a classical to …
- 944
3
votes
Definition of Chow groups over Spec Z
So with a lot of extra care about dimension/codimension it seems to be possible to define Chow groups over Spec Z if I understand the above answers correctly.
I may point out that in the book by Elma …
- 944
11
votes
Understanding the definition of the Lefschetz (pure effective) motive
I think the name L is chosen because it corresponds to the 'L operator' of 'old algebraic geometry' over the complex numbers (and that in turn is named L, I would agree, probably to honour Lefschetz). …
- 944
15
votes
1
answer
985
views
Link: Serre's intersection formula <-> Bloch-Quillen Thm / When only intersecting divisors, ...
In very short:
When proving the equivalence of intersection theory constructed through (Milnor) K-sheaves and their product vs. defining the product via Serre's local multiplicity formula + moving, I …
- 944