Comment on Volume 14(1), article R15
(Jan 19, 2007)

Combinatorial Interpretations for Rank-Two Cluster Algebras of Affine Type

Gregg Musiker and James Propp

Comment
by the authors, May 25, 2007:

On May 1, David Einstein pointed out to us an indexing error in the
expository introduction of our paper: in the block of equations at
the top of page 2, the equations should be labeled n=3,...,
n=6 to match the surrounding text.