Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Automorphism Group of Toric Deligne-Mumford Stacks   We prove that the automorphism group of a toric Deligne-Mumford stack is
isomorphic to the $2$-group associated to the stacky fan.

13
The categories of this paper are: quant-ph
28
The categories of this paper are: alg-geom
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
11
The categories of this paper are: hep-lat
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
29
The categories of this paper are: funct-an
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
16
The categories of this paper are: stat
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
10
The categories of this paper are: q-bio
26
The categories of this paper are: bayes-an
14
The categories of this paper are: math-ph