Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Structure Functions and Low-x -- Working Group Summary   A summary of recent results reported in the Structure Functions and Low-x
working group at the DIS 2009 Workshop is given. Recent measurements of deep
inelastic scattering cross sections and structure functions at HERA and of
proton anti-proton collisions at Tevatron are presented. New developments of
the extraction of parton distribution functions and of new theoretical
developments are discussed.

9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg
37
The categories of this paper are: supr-con
21
The categories of this paper are: adap-org
2
The categories of this paper are: math
7
The categories of this paper are: hep-th
24
The categories of this paper are: dg-ga
17
The categories of this paper are: q-fin
16
The categories of this paper are: stat
30
The categories of this paper are: q-alg
23
The categories of this paper are: solv-int
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
15
The categories of this paper are: nucl-ex
35
The categories of this paper are: mtrl-th
0
The categories of this paper are: hep-ph