Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Higher genus nonorientable maximal surfaces in the Lorentz-Minkowski
  3-space   We study nonorientable maximal surfaces in Lorentz-Minkowski 3-space. We
prove some existence results for surfaces of this kind with high genus and one
end.

16
The categories of this paper are: stat
21
The categories of this paper are: adap-org
12
The categories of this paper are: nucl-th
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
0
The categories of this paper are: hep-ph
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess
8
The categories of this paper are: hep-ex
33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
28
The categories of this paper are: alg-geom
29
The categories of this paper are: funct-an
34
The categories of this paper are: chem-ph
4
The categories of this paper are: cond-mat