Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Gauge invariant action for superstring in Ramond-Ramond plane-wave
  background   We present a gauge invariant action for a superstring in the plane wave
background with Ramond-Ramond (RR) five-form flux. The Wess-Zumino term is
given explicitly in a bilinear form of the left invariant currents by
introducing a fermionic center to define the nondegenerate group metric. The
reparametrization invariance generators, whose combinations are conformal
generators, and fermionic constraints, half of which generate kappa-symmetry,
are obtained. Equations of motion are obtained in conformal invariant and
background covariant manners.

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The categories of this paper are: cmp-lg
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The categories of this paper are: nlin
8
The categories of this paper are: hep-ex
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
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The categories of this paper are: solv-int
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The categories of this paper are: acc-phys
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The categories of this paper are: atom-ph
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The categories of this paper are: chem-ph
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The categories of this paper are: adap-org
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The categories of this paper are: alg-geom
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The categories of this paper are: bayes-an
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The categories of this paper are: comp-gas
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The categories of this paper are: chao-dyn
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The categories of this paper are: q-fin
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The categories of this paper are: q-alg