Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On first order rigidity for linear groups   The paper is a short survey of recent developments in the area of first order
descriptions of linear groups. It is aimed to illuminate the known results and
to pose the new problems relevant to logical characterizations of Chevalley
groups and Kac-Moody groups.

15
The categories of this paper are: nucl-ex
8
The categories of this paper are: hep-ex
14
The categories of this paper are: math-ph
29
The categories of this paper are: funct-an
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
5
The categories of this paper are: gr-qc
36
The categories of this paper are: cmp-lg
13
The categories of this paper are: quant-ph
0
The categories of this paper are: hep-ph
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
22
The categories of this paper are: chao-dyn
7
The categories of this paper are: hep-th
9
The categories of this paper are: nlin