Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Koszul, Ringel, and Serre duality for strict polynomial functors   This is a report on recent work of Chalupnik and Touze. We explain the Koszul
duality for the category of strict polynomial functors and make explicit the
underlying monoidal structure which seems to be of independent interest. Then
we connect this to Ringel duality for Schur algebras and describe Serre duality
for strict polynomial functors.

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The categories of this paper are: ao-sci
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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: nlin
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The categories of this paper are: comp-gas
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The categories of this paper are: patt-sol
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The categories of this paper are: adap-org
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The categories of this paper are: hep-lat
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The categories of this paper are: quant-ph
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The categories of this paper are: hep-ex
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The categories of this paper are: stat
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The categories of this paper are: bayes-an
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The categories of this paper are: q-alg
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The categories of this paper are: q-bio
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The categories of this paper are: plasm-ph