Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Massless spin-2 fields via lower spins   Solutions of massless spin-2 field equations are written in terms of massless
spin-$\frac{3}{2}$ Rarita-Schwinger fields and twistor spinors. It is shown
that the proposed massless spin-2 fields satisfy the tracelessness and
divergencelessness conditions and are in the kernel of the Laplace-Beltrami
operator. A spin lowering procedure for special cases and a symmetry operator
for massless spin-2 fields are also obtained. Description of massless spin-2
fields in terms of lower spin fields are found.

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The categories of this paper are: acc-phys
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The categories of this paper are: chao-dyn
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The categories of this paper are: stat
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The categories of this paper are: physics
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The categories of this paper are: hep-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: cs
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The categories of this paper are: alg-geom
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The categories of this paper are: solv-int
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The categories of this paper are: math
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The categories of this paper are: adap-org
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The categories of this paper are: funct-an
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The categories of this paper are: q-fin
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The categories of this paper are: q-bio
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The categories of this paper are: plasm-ph
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The categories of this paper are: chem-ph