Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Renormalization Scheme and Higher Loop Stability in Hadronic $\tau$
  Decay within Analytic Perturbation Theory   We apply an analytic description to the inclusive decay of the $\tau$ lepton.
We argue that this method gives not only a self-consistent description of the
process both in the timelike region by using the initial expression for
$R_\tau$ and in the spacelike domain by using the analytic properties of the
hadronic correlator, but also leads to the fact that theoretical uncertainties
associated with unknown higher-loop contributions and renormalization scheme
dependence can be reduced dramatically.

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The categories of this paper are: gr-qc
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The categories of this paper are: q-fin
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The categories of this paper are: solv-int
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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: eess
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The categories of this paper are: nucl-ex
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The categories of this paper are: patt-sol
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The categories of this paper are: math
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The categories of this paper are: ao-sci
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The categories of this paper are: hep-ex
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The categories of this paper are: adap-org
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The categories of this paper are: hep-lat
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The categories of this paper are: plasm-ph
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The categories of this paper are: nlin
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The categories of this paper are: dg-ga