Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Categorification of level two representations of quantum sl(N) via
  generalized arc rings   We build extensions of the arc rings, relate their centers to the cohomology
rings of the Springer varieties, and categorify all level two representations
of quantum sl(N).

16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
26
The categories of this paper are: bayes-an
3
The categories of this paper are: physics
36
The categories of this paper are: cmp-lg
20
The categories of this paper are: acc-phys
13
The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat
34
The categories of this paper are: chem-ph
8
The categories of this paper are: hep-ex
0
The categories of this paper are: hep-ph
19
The categories of this paper are: eess
33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
6
The categories of this paper are: astro-ph