Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Parton Distributions and $\alpha_s$ for the LHC   We report on recent determinations of NNLO parton distributions and of
$\alpha_s(M_Z)$ based on the world deep-inelastic data, supplemented by
collider data. Some applications are discussed for semi-inclusive processes at
the LHC.

32
The categories of this paper are: atom-ph
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
30
The categories of this paper are: q-alg
37
The categories of this paper are: supr-con
19
The categories of this paper are: eess
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
24
The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio
11
The categories of this paper are: hep-lat
16
The categories of this paper are: stat
5
The categories of this paper are: gr-qc
2
The categories of this paper are: math
25
The categories of this paper are: patt-sol
3
The categories of this paper are: physics