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.