The version of this paper published online on 7 June 2012 (DOI: 10.1080/03081087.2012.689984) contained the following errors:
Lemma 2.1
If A is a nonnegative irreducible n × n matrix with spectral radius ϱ(A) and row sums s 1, s 2, … , s n , then
Lemma 2 should be replaced with the corrected version below:
Lemma 2.1
If A is a nonnegative irreducible n × n matrix with spectral radius ϱ(A) and row sums s 1, s 2, … , s n , then
The corresponding author and email address should be changed to Huiqiu Lin, [email protected].
Taylor & Francis would like to apologise for these errors and for any inconvenience caused.