Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Comment on "Temporal Scaling at Feigenbaum points and non-extensive
  thermodynamics" by P. Grassberger   In a recent letter [PRL 95, 140601 (2005)], P. Grassberger addresses the very
interesting issue of the applicability of q-statistics to the renowned
Feigenbaum attractor. However several points are not in line with our current
knowledge, nor are the interpretations that he advances.

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The categories of this paper are: mtrl-th
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The categories of this paper are: atom-ph
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The categories of this paper are: acc-phys
3
The categories of this paper are: physics
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio
18
The categories of this paper are: econ
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The categories of this paper are: alg-geom
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The categories of this paper are: comp-gas
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The categories of this paper are: chao-dyn
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The categories of this paper are: dg-ga
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The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
1
The categories of this paper are: cs
17
The categories of this paper are: q-fin
11
The categories of this paper are: hep-lat