Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Q-systems and extensions of completely unitary vertex operator algebras   We relate extensions of completely unitary VOAs and (commutative) Q-systems.
As an application, we show that any unitary extension of a completely unitary
VOA is completely unitary.

35
The categories of this paper are: mtrl-th
28
The categories of this paper are: alg-geom
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga
29
The categories of this paper are: funct-an
1
The categories of this paper are: cs
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol
7
The categories of this paper are: hep-th
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
18
The categories of this paper are: econ