Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Two Elementary Derivations of the Pure Fisher-Hartwig Determinant   We present two elementary derivations of the formula for the Toeplitz
determinant generated by a pure Fisher-Hartwig singularity.

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The categories of this paper are: math-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: funct-an
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The categories of this paper are: plasm-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: q-alg
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The categories of this paper are: comp-gas
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The categories of this paper are: hep-ex
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-th
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The categories of this paper are: gr-qc
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The categories of this paper are: nucl-ex
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The categories of this paper are: physics
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The categories of this paper are: quant-ph
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The categories of this paper are: supr-con
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The categories of this paper are: cond-mat