Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Preprojective algebras and MV polytopes   The purpose of this paper is to apply the theory of MV polytopes to the study
of components of Lusztig's nilpotent varieties. Along the way, we introduce
reflection functors for modules over the non-deformed preprojective algebra of
a quiver.

0
The categories of this paper are: hep-ph
15
The categories of this paper are: nucl-ex
4
The categories of this paper are: cond-mat
10
The categories of this paper are: q-bio
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
22
The categories of this paper are: chao-dyn
14
The categories of this paper are: math-ph
30
The categories of this paper are: q-alg
21
The categories of this paper are: adap-org
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
23
The categories of this paper are: solv-int
13
The categories of this paper are: quant-ph
27
The categories of this paper are: comp-gas
18
The categories of this paper are: econ