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Results tagged with intersection-theory
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user 2191
1
vote
Context for intersection theory
Also, I strongly suspect that arithmetic varieties are not really special in this matter. You would probably get the same restrictions in the 'geometric' situation i.e. when your surface is smooth pro …
- 16.9k
1
vote
1
answer
653
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A composition of a finite morphisms with the transpose correspondence: is it the multiplicat...
Let $X,Y$ be smooth varieties over a field $k$ (which in my case is perfect of finite characteristic $p$; we may also assume that $X,Y$ are connected); $s:Y\to X$ is a finite morphism of degree $d$. T …
- 16.9k
13
votes
Context for intersection theory
When you intersect two divisor, you obtain a algebraic cycle of codimension 2. For a smooth surface, this is a collection of points that is well-defined up to rational equivalence. Now, if the surface …
- 16.9k