Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Comment on "Intermittent Synchronization in a Pair of Coupled Chaotic
  Pendula"   In [G. Baker et al., Phys. Rev. Lett. 81, 554 (1998)] a number of supposedly
novel and surprising features were observed in a system composed of two
periodically driven and asymmetrically coupled pendula. In particular it was
claimed that `permanent synchronization ... does not occur except as a
numerical artifact'. It was suggested that this might be related to the
particular type of coupling. In this comment I want to point out that some of
these claims cannot be maintained. The synchronization in this system is
precisely of standard blow-out type. The observed intermittency is exactly the
on-off intermittency well known from the synchronization of multifractal
chaotic attractors.

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The categories of this paper are: chem-ph
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The categories of this paper are: q-bio
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The categories of this paper are: funct-an
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The categories of this paper are: comp-gas
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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: mtrl-th
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The categories of this paper are: math-ph
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The categories of this paper are: econ
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The categories of this paper are: adap-org
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The categories of this paper are: q-alg
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The categories of this paper are: cs
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The categories of this paper are: chao-dyn
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The categories of this paper are: bayes-an
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The categories of this paper are: quant-ph
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The categories of this paper are: supr-con