Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Jets as a Source of Information about Photon Structure   A review of recent jet measurements of the photon structure from the H1
experiment at HERA. The scale and the virtuality dependence of the effective
parton distribution function of the photon is discussed.

36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
9
The categories of this paper are: nlin
1
The categories of this paper are: cs
16
The categories of this paper are: stat
20
The categories of this paper are: acc-phys
6
The categories of this paper are: astro-ph
15
The categories of this paper are: nucl-ex
4
The categories of this paper are: cond-mat
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph
37
The categories of this paper are: supr-con
30
The categories of this paper are: q-alg
2
The categories of this paper are: math