Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Manin's conjecture for quartic del Pezzo surfaces with a conic fibration   An asymptotic formula is established for the number of rational points of
bounded height on a non-singular quartic del Pezzo surface with a conic bundle
structure.

32
The categories of this paper are: atom-ph
37
The categories of this paper are: supr-con
31
The categories of this paper are: ao-sci
0
The categories of this paper are: hep-ph
30
The categories of this paper are: q-alg
33
The categories of this paper are: plasm-ph
21
The categories of this paper are: adap-org
16
The categories of this paper are: stat
26
The categories of this paper are: bayes-an
28
The categories of this paper are: alg-geom
9
The categories of this paper are: nlin
13
The categories of this paper are: quant-ph
7
The categories of this paper are: hep-th
14
The categories of this paper are: math-ph
19
The categories of this paper are: eess
11
The categories of this paper are: hep-lat