The proof of Claim 6.8 in the Appendix of [1] is incorrect. Here we give a new (and hopefullycorrect) proof.
@article{61, title = {Corrigendum to Secret sharing on innite graphs}, journal = {Tatra Mountains Mathematical Publications}, volume = {49}, year = {2011}, doi = {10.2478/tatra.v47i0.61}, language = {EN}, url = {http://dml.mathdoc.fr/item/61} }
Csirmaz, László. Corrigendum to Secret sharing on innite graphs. Tatra Mountains Mathematical Publications, Tome 49 (2011) . doi : 10.2478/tatra.v47i0.61. http://gdmltest.u-ga.fr/item/61/