Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hadronic currents for $\tau^-\to\pi^-\pi^0\nu_\tau$ and other decays of
  interest in TAUOLA   A new set of hadronic form factors, which has been implemented in TAUOLA, is
described.

16
The categories of this paper are: stat
18
The categories of this paper are: econ
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
9
The categories of this paper are: nlin
4
The categories of this paper are: cond-mat
1
The categories of this paper are: cs
36
The categories of this paper are: cmp-lg
33
The categories of this paper are: plasm-ph
20
The categories of this paper are: acc-phys
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
32
The categories of this paper are: atom-ph
7
The categories of this paper are: hep-th
25
The categories of this paper are: patt-sol
19
The categories of this paper are: eess