Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Discussion of "Feature Matching in Time Series Modeling" by Y. Xia and
  H. Tong   Discussion of "Feature Matching in Time Series Modeling" by Y. Xia and H.
Tong [arXiv:1104.3073]

0
The categories of this paper are: hep-ph
18
The categories of this paper are: econ
19
The categories of this paper are: eess
5
The categories of this paper are: gr-qc
33
The categories of this paper are: plasm-ph
23
The categories of this paper are: solv-int
25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
7
The categories of this paper are: hep-th
15
The categories of this paper are: nucl-ex
2
The categories of this paper are: math
10
The categories of this paper are: q-bio