Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Quasi-One-Dimensional Spin-Density-Wave States with Two Kinds of
  Periodic Potentials and a Interchain Misfit
31
The categories of this paper are: ao-sci
18
The categories of this paper are: econ
20
The categories of this paper are: acc-phys
9
The categories of this paper are: nlin
13
The categories of this paper are: quant-ph
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
19
The categories of this paper are: eess
32
The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
7
The categories of this paper are: hep-th
26
The categories of this paper are: bayes-an
17
The categories of this paper are: q-fin
2
The categories of this paper are: math
16
The categories of this paper are: stat
28
The categories of this paper are: alg-geom