Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The "phenomenological" spacetime and quantization   In order to obtain a well defined quantum gravity we define the spacetime in
relation to the "phenomenology" of the physical interactions; however we shall
to speculate with this "in General". Besides, we comment the reasons that give
to the gravitational field a privilegied situation over the others.

19
The categories of this paper are: eess
30
The categories of this paper are: q-alg
21
The categories of this paper are: adap-org
11
The categories of this paper are: hep-lat
34
The categories of this paper are: chem-ph
32
The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
23
The categories of this paper are: solv-int
14
The categories of this paper are: math-ph
33
The categories of this paper are: plasm-ph
18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
26
The categories of this paper are: bayes-an
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg