Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Small-x Growth of Nucleon Structure Functions and Its Manifestations in
  Ultrahigh-Energy Neutrino Astrophysics   Rapid growth of neutrino-nucleon cross-sections at high energies due to
hypothetical hard pomeron enhancement of $\nu N$-structure functions is
discussed. Differential and integral hadron moments, which, together with
cross-sections, define rates of hadron-electromagnetic cascades in a neutrino
detector are calculated for different power-law decreasing neutrino spectra.
For comparison two small-x extrapolation schemes are discussed. First includes
Regge theory inspired hard pomeron enhancement of $\nu N$-structure functions.
The second is obtained with the help of trivial extrapolation of perturbative
QCD structure functions from the large x region to the small x one.
  Implications of hard pomeron effects for cross-sections and hadron moments
are demonstrated. The most pronounced manifestations are found in integral
hadron moments for the case of charged current electron (anti)neutrinos
scattering off nucleons.

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The categories of this paper are: chem-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: q-fin
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The categories of this paper are: comp-gas
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The categories of this paper are: funct-an
1
The categories of this paper are: cs
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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: dg-ga
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The categories of this paper are: cmp-lg
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The categories of this paper are: nlin
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The categories of this paper are: eess
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The categories of this paper are: bayes-an
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The categories of this paper are: math-ph
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The categories of this paper are: stat
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The categories of this paper are: q-alg