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

2 votes
1 answer
351 views

Riemann-Roch for Zero Cycles on a Surface

As far as I understand, it is not difficult to formulate a the theorem of Riemann-Roch for divisors on any variety. I have been given the impression, that one can still formulate such theorems for cyc …
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3 votes
0 answers
458 views

Weierstrass Models and Canonical Models

In the book "Algebraic Geometry and Arithmetic Curves," Liu mentions in passing that the minimal Weierstrass model of an elliptic curve plays a similar role to the canonical model of curve of (arithme …
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  • 51