Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Positivity in T-Equivariant K-theory of flag varieties associated to
  Kac-Moody groups   We prove a positivity result for the T-equivariant K-theory of flag varieties
associated to any symmetrizable Kac-Moody group.

17
The categories of this paper are: q-fin
10
The categories of this paper are: q-bio
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
30
The categories of this paper are: q-alg
16
The categories of this paper are: stat
18
The categories of this paper are: econ
25
The categories of this paper are: patt-sol
34
The categories of this paper are: chem-ph
26
The categories of this paper are: bayes-an
19
The categories of this paper are: eess
9
The categories of this paper are: nlin
6
The categories of this paper are: astro-ph
5
The categories of this paper are: gr-qc
1
The categories of this paper are: cs