Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Comment on "The Analysis of EPR Spectra Using Tesseral Tensor Angular
  Momentum Operators" by H. A. Buckmaster and R. Chatterjee   Clear definitions of the operator notations and crucial notions used in the
area of electron magnetic resonance (EMR) are important in order to avoid
misunderstanding and incorrect results. For the benefit of a wider audience, in
this Comment we attempt to clarify the confusing points, which exist in the
paper in question.

32
The categories of this paper are: atom-ph
21
The categories of this paper are: adap-org
6
The categories of this paper are: astro-ph
0
The categories of this paper are: hep-ph
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
7
The categories of this paper are: hep-th
28
The categories of this paper are: alg-geom
19
The categories of this paper are: eess
10
The categories of this paper are: q-bio
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The categories of this paper are: bayes-an
9
The categories of this paper are: nlin
23
The categories of this paper are: solv-int
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
34
The categories of this paper are: chem-ph