Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ratio of Quark Masses in Duality Theories   We consider N=2 SU(2) Seiberg-Witten duality theory for models with N_f=2 and
N_f=3 quark flavors. We investigate arbitrary large bare mass ratios between
the two or three quarks at the singular points. For N_f=2 we explore large bare
mass ratios corresponding to a singularity in the strong coupling region. For
N_f=3 we determine the location of both strong and weak coupling singularities
that produce specific large bare mass ratios.

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The categories of this paper are: gr-qc
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The categories of this paper are: alg-geom
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The categories of this paper are: chem-ph
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The categories of this paper are: math-ph
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The categories of this paper are: astro-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: supr-con
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The categories of this paper are: q-bio
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The categories of this paper are: bayes-an
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The categories of this paper are: adap-org
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The categories of this paper are: dg-ga
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The categories of this paper are: physics
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-alg
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-ex