Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Drinfeld double for C*-algebraic quantum groups   In this article, we establish the duality between the generalised Drinfeld
double and generalised quantum codouble within the framework of modular or
manageable (not necessarily regular) multiplicative unitaries, and discuss
several properties.

22
The categories of this paper are: chao-dyn
20
The categories of this paper are: acc-phys
21
The categories of this paper are: adap-org
4
The categories of this paper are: cond-mat
27
The categories of this paper are: comp-gas
5
The categories of this paper are: gr-qc
29
The categories of this paper are: funct-an
9
The categories of this paper are: nlin
30
The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
17
The categories of this paper are: q-fin
18
The categories of this paper are: econ