Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: R-Symmetry, twisted N=2 Theory and the Role of the Dilaton   We discuss R-symmetry in locally supersymmetric $N=2$ gauge theories coupled
to hypermultiplets, which can be viewed as effective theories of heterotic
string models. In this type of supergravities a suitable R-symmetry exists and
can be used to topologically twist the theory. The vector multiplet of the
dilaton-axion field has a different R-charge assignment with respect to the
other vector multiplets.

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The categories of this paper are: cond-mat
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The categories of this paper are: bayes-an
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The categories of this paper are: supr-con
18
The categories of this paper are: econ
29
The categories of this paper are: funct-an
8
The categories of this paper are: hep-ex
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The categories of this paper are: astro-ph
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The categories of this paper are: stat
34
The categories of this paper are: chem-ph
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The categories of this paper are: math
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The categories of this paper are: quant-ph
35
The categories of this paper are: mtrl-th
9
The categories of this paper are: nlin
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The categories of this paper are: nucl-ex
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The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio