Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Weyl vs. Conformal   In this note we show that given a conformally invariant theory in flat
space-time, it is not always possible to couple it to gravity in a Weyl
invariant way.

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The categories of this paper are: hep-ph
30
The categories of this paper are: q-alg
18
The categories of this paper are: econ
35
The categories of this paper are: mtrl-th
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The categories of this paper are: nucl-th
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The categories of this paper are: math-ph
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The categories of this paper are: nlin
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The categories of this paper are: gr-qc
29
The categories of this paper are: funct-an
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The categories of this paper are: astro-ph
26
The categories of this paper are: bayes-an
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The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci
21
The categories of this paper are: adap-org
20
The categories of this paper are: acc-phys
36
The categories of this paper are: cmp-lg