Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Reflection and Refraction of the Laser Light Pulse at the Vacuum-Medium
  Interface
37
The categories of this paper are: supr-con
32
The categories of this paper are: atom-ph
8
The categories of this paper are: hep-ex
0
The categories of this paper are: hep-ph
19
The categories of this paper are: eess
34
The categories of this paper are: chem-ph
11
The categories of this paper are: hep-lat
29
The categories of this paper are: funct-an
20
The categories of this paper are: acc-phys
10
The categories of this paper are: q-bio
17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
9
The categories of this paper are: nlin
1
The categories of this paper are: cs
2
The categories of this paper are: math
4
The categories of this paper are: cond-mat