Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On nilpotency in Leibniz algebras   The main result of this paper is to prove that if a (right) Leibniz algebra
$L$ is \textit{right nilpotent} of degree $n$, then $L$ is \textit{strongly
nilpotent} of degree less or equal to $4n^2-2n+1$.

27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
3
The categories of this paper are: physics
13
The categories of this paper are: quant-ph
34
The categories of this paper are: chem-ph
14
The categories of this paper are: math-ph
24
The categories of this paper are: dg-ga
19
The categories of this paper are: eess
8
The categories of this paper are: hep-ex
31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat
7
The categories of this paper are: hep-th
37
The categories of this paper are: supr-con
22
The categories of this paper are: chao-dyn
32
The categories of this paper are: atom-ph