Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: U-duality of Born-Infeld Theory   String theory compactified on a three-torus possesses an SL(5,Z) U-duality
group. We investigate the realisation of this symmetry on the Born-Infeld
theory on a three-brane, and discuss a U-duality covariant formulation of the
BPS sector of the theory where the rank of the gauge group is treated on an
equal footing with the fluxes.

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The categories of this paper are: bayes-an
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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-ex
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The categories of this paper are: nlin
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The categories of this paper are: atom-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: mtrl-th
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The categories of this paper are: alg-geom
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The categories of this paper are: physics
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The categories of this paper are: astro-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: dg-ga
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The categories of this paper are: math-ph
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The categories of this paper are: adap-org
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The categories of this paper are: acc-phys
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The categories of this paper are: nucl-th