Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some Plethystic Identites and Kostka-Foulkes polynomials   We investigate the relationship between Kostka-Foulkes polynomials and
certain symmetric functions that arise from Garsia and Haglund's study of the
q,t-Catalan series.

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The categories of this paper are: quant-ph
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The categories of this paper are: stat
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The categories of this paper are: patt-sol
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The categories of this paper are: cond-mat
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The categories of this paper are: atom-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: physics
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The categories of this paper are: gr-qc
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The categories of this paper are: supr-con
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The categories of this paper are: cs
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The categories of this paper are: nucl-ex
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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: econ
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The categories of this paper are: q-bio
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The categories of this paper are: q-fin