Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Topological aspects of group $C^*$-algebras   We discuss basic topological properties of unitary dual spaces of nilpotent
Lie groups, using some ideas from operator algebras and their noncommutative
dimension theory. The general results are illustrated by many examples.

16
The categories of this paper are: stat
13
The categories of this paper are: quant-ph
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
25
The categories of this paper are: patt-sol
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
4
The categories of this paper are: cond-mat
19
The categories of this paper are: eess
27
The categories of this paper are: comp-gas
20
The categories of this paper are: acc-phys
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th