Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Effects of layer stacking and strain on electronic transport in 2D tin
  monoxide
28
The categories of this paper are: alg-geom
22
The categories of this paper are: chao-dyn
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat
26
The categories of this paper are: bayes-an
10
The categories of this paper are: q-bio
8
The categories of this paper are: hep-ex
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
2
The categories of this paper are: math
1
The categories of this paper are: cs
7
The categories of this paper are: hep-th
19
The categories of this paper are: eess