Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some remarks on tree-level vacuum stability in two Higgs doublet models   It is proved that the minimum of a general two Higgs doublet models'
potential is stable at tree level. A relation between stability and flavour
changing neutral currents at tree level is shown.

16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
5
The categories of this paper are: gr-qc
1
The categories of this paper are: cs
7
The categories of this paper are: hep-th
11
The categories of this paper are: hep-lat
28
The categories of this paper are: alg-geom
20
The categories of this paper are: acc-phys
23
The categories of this paper are: solv-int
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
12
The categories of this paper are: nucl-th
18
The categories of this paper are: econ
3
The categories of this paper are: physics