Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Divisor class groups of rational trinomial varieties   We give an explicit description of the divisor class groups of rational
trinomial varieties. As an application, we relate the iteration of Cox rings of
any rational variety with torus action of complexity one to that of a Du Val
surface.

0
The categories of this paper are: hep-ph
19
The categories of this paper are: eess
35
The categories of this paper are: mtrl-th
25
The categories of this paper are: patt-sol
31
The categories of this paper are: ao-sci
13
The categories of this paper are: quant-ph
12
The categories of this paper are: nucl-th
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
32
The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
21
The categories of this paper are: adap-org
18
The categories of this paper are: econ
9
The categories of this paper are: nlin