Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Maximal depth implies su(3)+su(2)+u(1)   Hence it excludes proton decay and supersymmetry. The main predictions of a
gauge model based on the exceptional simple Lie superalgebra mb(3|8) (a
localized version of su(3)+su(2)+u(1)) are reviewed.

14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
28
The categories of this paper are: alg-geom
13
The categories of this paper are: quant-ph
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
34
The categories of this paper are: chem-ph
31
The categories of this paper are: ao-sci
22
The categories of this paper are: chao-dyn
8
The categories of this paper are: hep-ex
25
The categories of this paper are: patt-sol
17
The categories of this paper are: q-fin
19
The categories of this paper are: eess
5
The categories of this paper are: gr-qc
6
The categories of this paper are: astro-ph
10
The categories of this paper are: q-bio