Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Variation of Fine Structure Constant from Non-Universal Gravity   We relate the reported variation in the value of the fine structure constant
to a possible non-universality of the gravitational interaction with respect to
different particle generations.

36
The categories of this paper are: cmp-lg
13
The categories of this paper are: quant-ph
14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
25
The categories of this paper are: patt-sol
2
The categories of this paper are: math
35
The categories of this paper are: mtrl-th
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
19
The categories of this paper are: eess
12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
34
The categories of this paper are: chem-ph
1
The categories of this paper are: cs
17
The categories of this paper are: q-fin