Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Spectral Localization in the Hierarchical Anderson Model   We prove that a large class of hierarchical Anderson models with spectral
dimension ${\rm d}\leq 2$ has only pure point spectrum.

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The categories of this paper are: comp-gas
20
The categories of this paper are: acc-phys
13
The categories of this paper are: quant-ph
36
The categories of this paper are: cmp-lg
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The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat
10
The categories of this paper are: q-bio
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
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The categories of this paper are: q-alg
26
The categories of this paper are: bayes-an
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The categories of this paper are: econ
21
The categories of this paper are: adap-org
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The categories of this paper are: eess
25
The categories of this paper are: patt-sol
22
The categories of this paper are: chao-dyn