Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A SUSY SO(10) Model with Large $tan \beta$   We construct a supersymmetric SO(10) model with the asymptotic relation
tan$\beta \simeq m_t/m_b$ automatically arising from its structure. The model
retains the significant Minimal Supersymmetric Standard Model predictions for
$sin^2 \theta_w$ and $\alpha_s$ and contains an automatic $Z_2$ matter parity.
Proton decay through $d=5$ operators is sufficiently suppressed. It is
remarkable that no global symmetries need to be imposed on the model.

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The categories of this paper are: mtrl-th
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The categories of this paper are: plasm-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: stat
7
The categories of this paper are: hep-th
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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: chao-dyn
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The categories of this paper are: nucl-th
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The categories of this paper are: solv-int
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The categories of this paper are: q-bio
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-fin
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The categories of this paper are: alg-geom
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The categories of this paper are: ao-sci
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The categories of this paper are: adap-org