Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hadron structure with light dynamical quarks   Generalized parton distributions encompass a wealth of information concerning
the three-dimensional quark and gluon structure of the nucleon, and thus
provide an ideal focus for the study of hadron structure using lattice QCD. The
special limits corresponding to form factors and parton distributions are well
explored experimentally, providing clear tests of lattice calculations, and the
lack of experimental data for more general cases provides opportunities for
genuine predictions and for guiding experiment. We present results from hybrid
calculations with improved staggered (Asqtad) sea quarks and domain wall
valence quarks at pion masses down to 350 MeV.

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The categories of this paper are: alg-geom
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The categories of this paper are: acc-phys
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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: quant-ph
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The categories of this paper are: math-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: eess
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The categories of this paper are: nlin
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The categories of this paper are: astro-ph
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The categories of this paper are: econ
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The categories of this paper are: bayes-an
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The categories of this paper are: hep-ex
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The categories of this paper are: q-fin
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The categories of this paper are: nucl-th
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The categories of this paper are: q-bio