Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Biconservative Lorentz hypersurfaces in
  $\mathbb{E}_{1}^{\lowercase{n}+1}$ with complex eigenvalues
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat
6
The categories of this paper are: astro-ph
30
The categories of this paper are: q-alg
11
The categories of this paper are: hep-lat
35
The categories of this paper are: mtrl-th
12
The categories of this paper are: nucl-th
37
The categories of this paper are: supr-con
3
The categories of this paper are: physics
24
The categories of this paper are: dg-ga
17
The categories of this paper are: q-fin
8
The categories of this paper are: hep-ex
1
The categories of this paper are: cs
19
The categories of this paper are: eess
7
The categories of this paper are: hep-th