Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: PHOTON-2017 conference proceedings   This document collects the proceedings of the PHOTON 2017 conference
("International Conference on the Structure and the Interactions of the
Photon", including the 22th "International Workshop on Photon-Photon
Collisions", and the "International Workshop on High Energy Photon Colliders")
held at CERN (Geneva) in May 2017. The latest experimental and theoretical
developments on the topics of the PHOTON conference series are covered: (i)
$\gamma\,\gamma$ processes in e$^+$e$^-$, proton-proton (pp) and
nucleus-nucleus (AA) collisions at current and future colliders, (ii)
$\gamma$-hadron interactions in e$^\pm$p, pp, and AA collisions, (iii)
final-state photon production (including Standard Model studies and searches
beyond it) in pp and AA collisions, and (iv) high-energy $\gamma$-ray
astrophysics. These proceedings are dedicated to the memory of Maria Krawczyk.

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The categories of this paper are: chem-ph
9
The categories of this paper are: nlin
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The categories of this paper are: ao-sci
2
The categories of this paper are: math
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The categories of this paper are: cmp-lg
3
The categories of this paper are: physics
1
The categories of this paper are: cs
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The categories of this paper are: q-alg
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The categories of this paper are: q-fin
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The categories of this paper are: alg-geom
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The categories of this paper are: econ
14
The categories of this paper are: math-ph
11
The categories of this paper are: hep-lat
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The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
10
The categories of this paper are: q-bio