Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Self-dual quaternionic lumps in octonionic space-time   The theory of self-dual bosonic lumps immersed in the Cayley-calibrated space
of octonions has a large class of exact finite quaternionic power series
solutions.

15
The categories of this paper are: nucl-ex
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
28
The categories of this paper are: alg-geom
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
14
The categories of this paper are: math-ph
25
The categories of this paper are: patt-sol
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
1
The categories of this paper are: cs
5
The categories of this paper are: gr-qc
9
The categories of this paper are: nlin
3
The categories of this paper are: physics
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci