Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Three methods to prove the existence of integral canonical models of
  Shimura varieties of Hodge type   This is a survey of the three main methods developed in the last 15 years to
prove the existence of integral canonical models of Shimura varieties of Hodge
type. The only new part is formed by corrections to results of Kisin.

3
The categories of this paper are: physics
32
The categories of this paper are: atom-ph
18
The categories of this paper are: econ
7
The categories of this paper are: hep-th
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol
19
The categories of this paper are: eess
23
The categories of this paper are: solv-int
16
The categories of this paper are: stat
28
The categories of this paper are: alg-geom
5
The categories of this paper are: gr-qc
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
36
The categories of this paper are: cmp-lg
14
The categories of this paper are: math-ph
30
The categories of this paper are: q-alg