Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A User's Guide: Relative Thom Spectra via Operadic Kan Extensions   This is an expository paper about the paper Relative Thom Spectra via
Operadic Kan Extensions.

30
The categories of this paper are: q-alg
18
The categories of this paper are: econ
3
The categories of this paper are: physics
5
The categories of this paper are: gr-qc
27
The categories of this paper are: comp-gas
36
The categories of this paper are: cmp-lg
19
The categories of this paper are: eess
8
The categories of this paper are: hep-ex
15
The categories of this paper are: nucl-ex
12
The categories of this paper are: nucl-th
34
The categories of this paper are: chem-ph
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga
33
The categories of this paper are: plasm-ph
26
The categories of this paper are: bayes-an
0
The categories of this paper are: hep-ph