@article{paperid:1031003, author = {Qianglian Huang and Sal Moslehian, Mohammad}, title = {Relationship between the Hyers--Ulam stability and the Moore--Penrose inverse}, journal = {Electronic Journal of Linear Algebra}, year = {2012}, volume = {23}, number = {1}, month = {November}, issn = {1537-9582}, pages = {891--905}, numpages = {14}, keywords = {Hyers--Ulam stability; Moore--Penrose inverse; generalized inverse; reduced minimum modulus; closed linear operator; $T-$boundedness; semi-Fredholm operator}, }