Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Weak amenability and simply connected Lie groups   Following an approach of Ozawa, we show that several semidirect products are
not weakly amenable. As a consequence, we are able to characterize the simply
connected Lie groups that are weakly amenable.

36
The categories of this paper are: cmp-lg
15
The categories of this paper are: nucl-ex
12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an
26
The categories of this paper are: bayes-an
14
The categories of this paper are: math-ph
30
The categories of this paper are: q-alg
5
The categories of this paper are: gr-qc
31
The categories of this paper are: ao-sci
1
The categories of this paper are: cs
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
3
The categories of this paper are: physics
16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
22
The categories of this paper are: chao-dyn