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2 votes
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Chern classes and rational equivalence

Let $X$ be a complex variety and let $l_1$ and $l_2$ be line bundles on $X$. Let $f_1$ and $f_2$ be sections of $l_1$ and $l_2$ respectively, and let $Z_1$ and $Z_2$ be their zero-sets. I would like ...
Ron Z.'s user avatar
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1 vote
0 answers
184 views

Divisor cohomology through spectral sequences

I don't know if it belongs here but anyway, I need to compute arithmetic genus of divisors pulled back from a Fano base space to a bundle (which may or mayn't be trivial) defined through the ...
user333644's user avatar
1 vote
0 answers
190 views

How to define a principal divisor on general complex spaces?

[I am not a native English speaker, so my sentences may sound strange. ] I'm studying about complex analytic spaces. For meromorphic functions, I don't know how to define their principal divisors ...
map's user avatar
  • 11
1 vote
0 answers
168 views

Rational classes of $(-2)$-curves in a minimal surface of general type

Let $X$ be a minimal surface of general type over $\mathbb{C}$. One can show that if for any set of $(-2)$-curves $C_1,\cdots,C_l$ on $X$, there exists $k$, $1\le k\le l$ such that $$\sum_{i=1}^k\...
astana's user avatar
  • 41
1 vote
0 answers
217 views

Family $(X_y,D_y)$ with trivial canonical bundles

Let $i:D\hookrightarrow X$ and $f : X \to Y$ be holomorphic mappings of complex manifolds such that $i$ is a closed embedding and $f$ as well as$ f \circ i$ are proper and smooth and $D$ is a divisor. ...
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