Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Non-linear Dynamical Systems' Proof of Kraft-McMillan Inequality and
  its Converse   In this short paper, we shall provide a dynamical systems' proof of the
famous Kraft-McMillan inequality and its converse. Kraft-McMillan inequality is
a basic result in information theory which gives a necessary and sufficient
condition for the lengths of the codewords of a code to be uniquely decodable.

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The categories of this paper are: hep-ph
21
The categories of this paper are: adap-org
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
11
The categories of this paper are: hep-lat
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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: atom-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: stat
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The categories of this paper are: astro-ph
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The categories of this paper are: supr-con
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The categories of this paper are: solv-int
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The categories of this paper are: math