Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Positive divisors in symplectic geometry   In this paper, we gave some explicit relations between absolute and relative
Gromov-Witten invariants. We proved that a symplectic manifold is symplectic
rationally connected if it contains a positive divisor symplectomorphic to
$P^n$.

18
The categories of this paper are: econ
22
The categories of this paper are: chao-dyn
14
The categories of this paper are: math-ph
36
The categories of this paper are: cmp-lg
30
The categories of this paper are: q-alg
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
8
The categories of this paper are: hep-ex
6
The categories of this paper are: astro-ph
32
The categories of this paper are: atom-ph
1
The categories of this paper are: cs
23
The categories of this paper are: solv-int
5
The categories of this paper are: gr-qc