Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Born-Infeld String as a Boundary Conformal Field Theory   Solutions of Born-Infeld theory, representing strings extending from a
Dirichlet p-brane, are also solutions of the higher derivative generalization
of the Born-Infeld equations defining an exact open string vacuum
configuration.

22
The categories of this paper are: chao-dyn
28
The categories of this paper are: alg-geom
10
The categories of this paper are: q-bio
2
The categories of this paper are: math
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
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The categories of this paper are: q-fin
11
The categories of this paper are: hep-lat
13
The categories of this paper are: quant-ph
6
The categories of this paper are: astro-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: supr-con
30
The categories of this paper are: q-alg
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The categories of this paper are: solv-int
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The categories of this paper are: dg-ga
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The categories of this paper are: eess