Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the D-affinity of flag varieties in positive characteristic   Let $G$ be a simple algebraic group of type $B_2$ over an algebraically
closed field of odd characteristic. We prove that the flag variety $G/B$ is
D-affine. This extends an earlier result of H.H.Andersen and M.Kaneda.

29
The categories of this paper are: funct-an
6
The categories of this paper are: astro-ph
1
The categories of this paper are: cs
7
The categories of this paper are: hep-th
30
The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph
16
The categories of this paper are: stat
37
The categories of this paper are: supr-con
11
The categories of this paper are: hep-lat
13
The categories of this paper are: quant-ph
23
The categories of this paper are: solv-int
18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
28
The categories of this paper are: alg-geom
26
The categories of this paper are: bayes-an
0
The categories of this paper are: hep-ph