Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Goldstone and Pseudo-Goldstone Bosons in Nuclear, Particle and
  Condensed-Matter Physics   These notes review the effective lagrangian treatment of Goldstone and
pseudo-Goldstone bosons, taking examples from high-energy/nuclear and
condensed-matter physics. The contents are:
  1. Goldstone Bosons
  2. Pions: A Relativistic Application
  3. Magnons: Nonrelativistic Applications
  4. SO(5) Invariance and Superconductors
  5. Bibliography

22
The categories of this paper are: chao-dyn
27
The categories of this paper are: comp-gas
14
The categories of this paper are: math-ph
5
The categories of this paper are: gr-qc
36
The categories of this paper are: cmp-lg
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
35
The categories of this paper are: mtrl-th
17
The categories of this paper are: q-fin
11
The categories of this paper are: hep-lat
26
The categories of this paper are: bayes-an