Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Renormalized vs unrenormalized perturbation-theoretical approaches to
  the Mott transition   I employ an exactly soluble toy model to investigate why unrenormalized
perturbation theory works better than fully self-consistent approaches in
describing the correlation-driven metal-insulator transition.

22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
25
The categories of this paper are: patt-sol
9
The categories of this paper are: nlin
31
The categories of this paper are: ao-sci
3
The categories of this paper are: physics
17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
26
The categories of this paper are: bayes-an
21
The categories of this paper are: adap-org
18
The categories of this paper are: econ
30
The categories of this paper are: q-alg
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg
19
The categories of this paper are: eess