Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Mapping String States into Partons: Form Factors and the Hadron Spectrum
  in AdS/QCD   New developments in holographic QCD are described in this talk in the context
of the correspondence between string states in AdS and light-front
wavefunctions of hadronic states in physical space-time.

19
The categories of this paper are: eess
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
28
The categories of this paper are: alg-geom
16
The categories of this paper are: stat
1
The categories of this paper are: cs
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
32
The categories of this paper are: atom-ph
26
The categories of this paper are: bayes-an
24
The categories of this paper are: dg-ga
6
The categories of this paper are: astro-ph
22
The categories of this paper are: chao-dyn