Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Proceedings Fourth International Symposium on Games, Automata, Logics
  and Formal Verification   This volume contains the proceedings of the Fourth International Symposium on
Games, Automata, Logic and Formal Verification (GandALF 2013). The symposium
took place in Borca di Cadore, Italy, from 29th to 31st of August 2013.
  The proceedings of the symposium contain the abstracts of three invited talks
and 17 papers that were accepted after a careful evaluation for presentation at
the conference. The topics of the accepted papers range over a wide spectrum,
including algorithmic and behavioral game theory, game semantics, formal
languages and automata theory, modal and temporal logics, software
verification, hybrid systems.

9
The categories of this paper are: nlin
37
The categories of this paper are: supr-con
22
The categories of this paper are: chao-dyn
3
The categories of this paper are: physics
24
The categories of this paper are: dg-ga
28
The categories of this paper are: alg-geom
33
The categories of this paper are: plasm-ph
6
The categories of this paper are: astro-ph
12
The categories of this paper are: nucl-th
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an
26
The categories of this paper are: bayes-an
4
The categories of this paper are: cond-mat
10
The categories of this paper are: q-bio
5
The categories of this paper are: gr-qc
36
The categories of this paper are: cmp-lg