Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: JLC Progress   The JLC is a linear collider project pursued in Japan by researchers centered
around KEK. The R&D status for the JLC project is presented, with emphasis on
recent results from ATF concerning studies of production of ultra-low emittance
beams and from manufacturing research on X-band accelerator structures.

29
The categories of this paper are: funct-an
34
The categories of this paper are: chem-ph
14
The categories of this paper are: math-ph
23
The categories of this paper are: solv-int
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
28
The categories of this paper are: alg-geom
30
The categories of this paper are: q-alg
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th
17
The categories of this paper are: q-fin
18
The categories of this paper are: econ
35
The categories of this paper are: mtrl-th