Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Explicit matrices for Hecke operators on Siegel modular forms   We present an explicit set of matrices giving the action of the Hecke
operators $T(p)$, $T_j(p^2)$ on Siegel modular forms.

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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: dg-ga
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The categories of this paper are: mtrl-th
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The categories of this paper are: q-alg
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The categories of this paper are: physics
0
The categories of this paper are: hep-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: nlin
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The categories of this paper are: patt-sol
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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: q-fin
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The categories of this paper are: stat
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The categories of this paper are: solv-int