Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Effective Field Theory in Condensed Matter Physics   Some personal reminiscences are followed by a brief illustration of how
effective field theories are used in condensed matter physics. Examples include
Landau's Fermi liquid, sigma models with topological terms, Dirac fermions and
the Gross Neveu model.

5
The categories of this paper are: gr-qc
16
The categories of this paper are: stat
0
The categories of this paper are: hep-ph
10
The categories of this paper are: q-bio
2
The categories of this paper are: math
29
The categories of this paper are: funct-an
20
The categories of this paper are: acc-phys
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
22
The categories of this paper are: chao-dyn
36
The categories of this paper are: cmp-lg
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an
6
The categories of this paper are: astro-ph
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph