Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Recent developments in rho-omega mixing   The topic of rho-omega mixing has received renewed interest in recent years
and has been studied using a variety of modern techniques. A brief history of
the subject is presented before summarising recent developments in the field.
The present status of our understanding is discussed.

6
The categories of this paper are: astro-ph
14
The categories of this paper are: math-ph
9
The categories of this paper are: nlin
16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
20
The categories of this paper are: acc-phys
29
The categories of this paper are: funct-an
18
The categories of this paper are: econ
3
The categories of this paper are: physics
1
The categories of this paper are: cs
7
The categories of this paper are: hep-th
19
The categories of this paper are: eess
26
The categories of this paper are: bayes-an
8
The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph