Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Classification of Enriques surfaces covered by the supersingular K3
  surface with Artin invariant 1 in characteristic 2   We classifiy Enriques surfaces covered by the supersingular K3 surface with
the Artin invariant 1 in characteristic 2. There are exactly three types of
such Enriques surfaces.

19
The categories of this paper are: eess
26
The categories of this paper are: bayes-an
37
The categories of this paper are: supr-con
32
The categories of this paper are: atom-ph
11
The categories of this paper are: hep-lat
23
The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci
6
The categories of this paper are: astro-ph
29
The categories of this paper are: funct-an
8
The categories of this paper are: hep-ex
34
The categories of this paper are: chem-ph
22
The categories of this paper are: chao-dyn
16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
4
The categories of this paper are: cond-mat
21
The categories of this paper are: adap-org