Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Galois descent in Galois theories   Inspired by Kummer theory on abelian varieties, we give similar looking
descriptions of the Galois groups occuring in the differential Galois theories
of Picard-Vessiot, Kolchin and Pillay, and mention some arithmetic
applications.

35
The categories of this paper are: mtrl-th
5
The categories of this paper are: gr-qc
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
8
The categories of this paper are: hep-ex
31
The categories of this paper are: ao-sci
17
The categories of this paper are: q-fin
13
The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat
1
The categories of this paper are: cs
34
The categories of this paper are: chem-ph
27
The categories of this paper are: comp-gas
15
The categories of this paper are: nucl-ex
36
The categories of this paper are: cmp-lg
21
The categories of this paper are: adap-org
25
The categories of this paper are: patt-sol