Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Supplement to: Code Spectrum and Reliability Function: Binary Symmetric
  Channel   A much simpler proof of Theorem 1 from M.Burnashev "Code spectrum and
reliability function: Binary symmetric channel" is presented.

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The categories of this paper are: astro-ph
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The categories of this paper are: comp-gas
36
The categories of this paper are: cmp-lg
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-ex
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The categories of this paper are: eess
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The categories of this paper are: math-ph
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The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
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The categories of this paper are: supr-con
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The categories of this paper are: q-fin
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The categories of this paper are: ao-sci
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The categories of this paper are: stat
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The categories of this paper are: funct-an
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The categories of this paper are: q-bio
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The categories of this paper are: q-alg