Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Absolutely Continuous Spectrum for the Anderson Model on Some Tree-like
  Graphs   We prove persistence of absolutely continuous spectrum for the Anderson model
on a general class of tree-like graphs.

25
The categories of this paper are: patt-sol
27
The categories of this paper are: comp-gas
32
The categories of this paper are: atom-ph
16
The categories of this paper are: stat
6
The categories of this paper are: astro-ph
34
The categories of this paper are: chem-ph
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an
36
The categories of this paper are: cmp-lg
10
The categories of this paper are: q-bio
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
15
The categories of this paper are: nucl-ex
5
The categories of this paper are: gr-qc
21
The categories of this paper are: adap-org