Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: An elementary approach to sofic groupoids   We describe sofic groupoids in elementary terms and prove several permanence
properties for sofcity. We show that sofcity can be determined in terms of the
full group alone, answering a question by Conley, Kechris and Tucker-Drob.

0
The categories of this paper are: hep-ph
32
The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
27
The categories of this paper are: comp-gas
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
21
The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
36
The categories of this paper are: cmp-lg
34
The categories of this paper are: chem-ph
16
The categories of this paper are: stat
33
The categories of this paper are: plasm-ph
19
The categories of this paper are: eess
22
The categories of this paper are: chao-dyn
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex