Aksu, Fatma AltunbulakGreen, David J.2017-03-172025-09-182017-03-172025-09-182016Aksu, F.A., Green, D.J. (2016). On the Christensen-Wang bounds for the ghost number of a p-group algebra. Journal Of Group Theory, 19(4), 609-615. http://dx.doi.org/10.1515/jgth-2015-00501433-58831435-44460021-8693https://doi.org/10.1515/jgth-2015-0050https://hdl.handle.net/20.500.12416/11869Altunbulak Aksu, Fatma/0000-0002-6940-4666; Green, David/0000-0001-7526-0665Christensen and Wang give conjectural upper and lower bounds for the ghost number of the group algebra of a p-group. We apply results of Koshitani and Motose on the nilpotency index of the Jacobson radical to prove the upper bound and most cases of the lower bound.eninfo:eu-repo/semantics/openAccessArticle10.1515/jgth-2015-00502-s2.0-84978086973