@inproceedings{paperid:1022937, author = {Erfanian, Ahmad}, title = {On the probability that two elements commute in some fi nite groups}, booktitle = {Group Theory Seminar}, year = {2009}, location = {Jojor Bahru}, keywords = {Commutativity degree; relative commutativity degree; n-th nilpotency de- gree; relative n-th nilpotency degree; n-th commutativity degree.}, }