This paper is a commentary on the recent work [4]. It has two goals: the first is to eliminate the C*-algebra machinery from the proofs of the results of [4]; the second, to provide a characterization of weak orbit equivalence of Cantor minimal systems in terms of their dimension groups.
Thierry GiordanoHiroki MatuiIan PutnamChristian Skau
Wojciech KosekNicholas OrmesDaniel J. Rudolph
Thierry GiordanoHiroki MatuiIan F. PutnamChristian Skau