Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Matter density profile effects on neutrino oscillations at T2HK and
  T2HKK   This project aims to explore the effects that changes in a matter density
profile could have on neutrino oscillations, and whether these could
potentially be seen by the future Hyper-Kamiokande experiment (T2HK). The
analysis is extended to include the possibility of having a second detector in
Korea (T2HKK).

32
The categories of this paper are: atom-ph
33
The categories of this paper are: plasm-ph
4
The categories of this paper are: cond-mat
22
The categories of this paper are: chao-dyn
6
The categories of this paper are: astro-ph
18
The categories of this paper are: econ
24
The categories of this paper are: dg-ga
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
28
The categories of this paper are: alg-geom
17
The categories of this paper are: q-fin
23
The categories of this paper are: solv-int
16
The categories of this paper are: stat
13
The categories of this paper are: quant-ph
35
The categories of this paper are: mtrl-th
26
The categories of this paper are: bayes-an