Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Polarized Low-Density Parity-Check Codes on the BSC   The connections between variable nodes and check nodes have a great influence
on the performance of low-density parity-check (LDPC) codes. Inspired by the
unique structure of polar code's generator matrix, we proposed a new method of
constructing LDPC codes that achieves a polarization effect. The new code,
named as polarized LDPC codes, is shown to achieve lower or no error floor in
the binary symmetric channel (BSC)

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The categories of this paper are: q-bio
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The categories of this paper are: chao-dyn
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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: patt-sol
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The categories of this paper are: quant-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: physics
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The categories of this paper are: q-alg
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The categories of this paper are: nlin
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The categories of this paper are: dg-ga
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The categories of this paper are: astro-ph
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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: atom-ph
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The categories of this paper are: math-ph