Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: La conjecture de Baum-Connes \`a coefficients pour les groupes
  hyperboliques   This paper gives a proof of the Baum-Connes conjecture with coefficients for
hyperbolic groups. More precisely the injectivity of the Baum-Connes map was
established by Kasparov and Skandalis and we prove the surjectivity.

13
The categories of this paper are: quant-ph
37
The categories of this paper are: supr-con
21
The categories of this paper are: adap-org
32
The categories of this paper are: atom-ph
35
The categories of this paper are: mtrl-th
1
The categories of this paper are: cs
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
34
The categories of this paper are: chem-ph
27
The categories of this paper are: comp-gas
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
23
The categories of this paper are: solv-int
10
The categories of this paper are: q-bio