Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: From dynamical systems to statistical mechanics: the case of the
  fluctuation theorem   This viewpoint relates to an article by Jorge Kurchan (1998 J. Phys. A: Math.
Gen. 31, 3719) as part of a series of commentaries celebrating the most
influential papers published in the J. Phys. series, which is celebrating its
50th anniversary.

10
The categories of this paper are: q-bio
21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom
17
The categories of this paper are: q-fin
15
The categories of this paper are: nucl-ex
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph
27
The categories of this paper are: comp-gas
2
The categories of this paper are: math
3
The categories of this paper are: physics
24
The categories of this paper are: dg-ga
12
The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
31
The categories of this paper are: ao-sci
23
The categories of this paper are: solv-int
16
The categories of this paper are: stat