Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: New Open Problems Related to Old Conjectures by Helleseth   Recently, very interesting results have been obtained concerning the Fourier
spectra of power permutations over a finite field. In this note we survey the
recent ideas of Aubry, Feng, Katz, and Langevin, and we pose new open problems
related to old conjectures proposed by Helleseth in the middle of the
seventies.

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The categories of this paper are: bayes-an
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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: comp-gas
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The categories of this paper are: stat
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The categories of this paper are: hep-th
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The categories of this paper are: hep-lat
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The categories of this paper are: chao-dyn
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The categories of this paper are: gr-qc
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The categories of this paper are: adap-org
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The categories of this paper are: hep-ph
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The categories of this paper are: hep-ex
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The categories of this paper are: mtrl-th
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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: alg-geom