Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On multiplicative subgroups in division rings   Let $D$ be a division ring. In this paper, we investigate properties of
subgroups of an arbitrary subnormal subgroup of the multiplicative group $D^*$
of $D$. The new obtained results generalize some previous results on subgroups
of $D^*$.

31
The categories of this paper are: ao-sci
24
The categories of this paper are: dg-ga
28
The categories of this paper are: alg-geom
11
The categories of this paper are: hep-lat
37
The categories of this paper are: supr-con
13
The categories of this paper are: quant-ph
12
The categories of this paper are: nucl-th
35
The categories of this paper are: mtrl-th
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol
9
The categories of this paper are: nlin
26
The categories of this paper are: bayes-an
36
The categories of this paper are: cmp-lg
4
The categories of this paper are: cond-mat
27
The categories of this paper are: comp-gas