Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Induced Hopf Galois structures   For a finite Galois extension K/k and an intermediate field F such that
Gal(K/F) has a normal complement in Gal(K/k), we construct and characterize
Hopf Galois structures on K/k which are induced by a pair of Hopf Galois
structures on K/F and F/k.

21
The categories of this paper are: adap-org
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
4
The categories of this paper are: cond-mat
32
The categories of this paper are: atom-ph
15
The categories of this paper are: nucl-ex
36
The categories of this paper are: cmp-lg
19
The categories of this paper are: eess
7
The categories of this paper are: hep-th
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
17
The categories of this paper are: q-fin
9
The categories of this paper are: nlin
6
The categories of this paper are: astro-ph