Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Descendants of the Chiral Anomaly   Chern-Simons terms are well-known descendants of chiral anomalies, when the
latter are presented as total derivatives. Here I explain that also
Chern-Simons terms, when defined on a 3-manifold, may be expressed as total
derivatives.

4
The categories of this paper are: cond-mat
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The categories of this paper are: dg-ga
28
The categories of this paper are: alg-geom
0
The categories of this paper are: hep-ph
31
The categories of this paper are: ao-sci
30
The categories of this paper are: q-alg
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th
26
The categories of this paper are: bayes-an
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The categories of this paper are: econ
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The categories of this paper are: comp-gas
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The categories of this paper are: plasm-ph
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The categories of this paper are: eess
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The categories of this paper are: q-fin
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The categories of this paper are: chao-dyn
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The categories of this paper are: stat