Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Supertubes and Supercurves from M-Ribbons   We construct 1/4 BPS configurations, `M-ribbons', in M-theory on T^2, which
give the supertubes and supercurves in type IIA theory upon dimensional
reduction. These M-ribbons are generalized so as to be consistent with the
SL(2,Z) modular transformation on T^2. In terms of the type IIB theory, the
generalized M-ribbons are interpreted as an SL(2,Z) duality family of super
D-helix. It is also shown that the BPS M-ribbons must be straight in one
direction.

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The categories of this paper are: patt-sol
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The categories of this paper are: alg-geom
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The categories of this paper are: acc-phys
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The categories of this paper are: q-fin
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The categories of this paper are: mtrl-th
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The categories of this paper are: eess
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The categories of this paper are: quant-ph
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The categories of this paper are: q-bio
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The categories of this paper are: q-alg
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The categories of this paper are: hep-ph
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The categories of this paper are: math-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: dg-ga
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The categories of this paper are: astro-ph
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The categories of this paper are: funct-an
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The categories of this paper are: nucl-th