Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A remark on the similarity and perturbation problems   In this note we show that Kadison's similarity problem for C*-algebras is
equivalent to a problem in perturbation theory: must close C*-algebras have
close commutants?

26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th
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The categories of this paper are: adap-org
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The categories of this paper are: alg-geom
14
The categories of this paper are: math-ph
0
The categories of this paper are: hep-ph
8
The categories of this paper are: hep-ex
29
The categories of this paper are: funct-an
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The categories of this paper are: q-alg
18
The categories of this paper are: econ
9
The categories of this paper are: nlin
4
The categories of this paper are: cond-mat
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
15
The categories of this paper are: nucl-ex
10
The categories of this paper are: q-bio