Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Lepton Family Symmetry and the Neutrino Mixing Matrix   I review some of the recent progress (up to September 2005) in applying
non-Abelian discrete symmetries to the family structure of leptons, with
particular emphasis on the tribimaximal mixing ansatz of Harrison, Perkins, and
Scott.

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The categories of this paper are: supr-con
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The categories of this paper are: q-alg
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The categories of this paper are: quant-ph
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The categories of this paper are: funct-an
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The categories of this paper are: stat
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The categories of this paper are: astro-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-lat
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The categories of this paper are: physics
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The categories of this paper are: eess
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The categories of this paper are: solv-int
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The categories of this paper are: math-ph
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The categories of this paper are: cs
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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: math