Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Constrained Perturbative Expansion of the DGP Model   We address the vDVZ discontinuity of the 5D DGP model which consists of a
3-brane residing in a flat, infinite-volume bulk. Following a suggestion by
Gabadadze [hep-th/0403161], we implement a constrained perturbative expansion
parametrized by brane gauge parameters. We explore the parameter space and show
that the DGP solution exhibiting the vDVZ discontinuity corresponds to a set of
measure zero.

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The categories of this paper are: quant-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: supr-con
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The categories of this paper are: hep-lat
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The categories of this paper are: chem-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: math-ph
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The categories of this paper are: q-alg
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The categories of this paper are: dg-ga
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The categories of this paper are: ao-sci
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The categories of this paper are: solv-int
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The categories of this paper are: atom-ph
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The categories of this paper are: cs
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The categories of this paper are: hep-ph
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The categories of this paper are: nlin