Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Exchange rings and real rank zero C*-algebras associated with finitely
  separated graphs   We introduce a generalisation of Condition (K) to finitely separated graphs
and show that it is equivalent to essential freeness of the associated partial
action as well as the exchange property of any of the associated tame algebras.
As a consequence, we can show that any tame separated graph algebra with the
exchange property is separative.

26
The categories of this paper are: bayes-an
16
The categories of this paper are: stat
33
The categories of this paper are: plasm-ph
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
1
The categories of this paper are: cs
37
The categories of this paper are: supr-con
18
The categories of this paper are: econ
4
The categories of this paper are: cond-mat
34
The categories of this paper are: chem-ph
36
The categories of this paper are: cmp-lg
13
The categories of this paper are: quant-ph
20
The categories of this paper are: acc-phys
5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess
27
The categories of this paper are: comp-gas