Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hagedorn String Thermodynamics in Curved Spacetimes and near Black Hole
  Horizons   This thesis concerns the study of high-temperature string theory on curved
backgrounds, generalizing the notions of Hagedorn temperature and thermal
scalar to general backgrounds. Chapter 2 contains a review on string
thermodynamics in flat space, setting the stage. Chapters 3 and 4 contain the
detailed study of the random walk picture in a general curved background.
Chapters 5 and 6 then apply this to Rindler space, the near-horizon
approximation of a generic (uncharged) black hole. Chapters 7 and 8 contain a
study of the AdS3 and BTZ WZW models where we study the thermal spectrum and
the resulting random walk picture that emerges. Chapters 9 and 10 attempt to
draw general conclusions from the study of the two specific examples earlier:
we draw lessons on string thermodynamics in general and on (perturbative)
string thermodynamics around black hole horizons. For the latter, we point out
a possible link to the firewall paradox. Finally, chapter 11 contains a
detailed discussion on the near-Hagedorn (and high-energy) stress tensor in a
generic spacetime, the results of which are applied to provide a description of
the Bekenstein-Hawking entropy in terms of long string equilibration.

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The categories of this paper are: eess
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The categories of this paper are: nlin
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The categories of this paper are: solv-int
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The categories of this paper are: atom-ph
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The categories of this paper are: adap-org
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The categories of this paper are: dg-ga
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The categories of this paper are: ao-sci
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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: acc-phys
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The categories of this paper are: chao-dyn
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The categories of this paper are: comp-gas
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The categories of this paper are: math-ph
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The categories of this paper are: funct-an
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The categories of this paper are: stat
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The categories of this paper are: hep-ph