@article{paperid:1077829, author = {علی زمانی and Sal Moslehian, Mohammad and Mao-Ting Chien and Hiroshi Nakazato}, title = {Norm-parallelism and the Davis–Wielandt radius of Hilbert space operators}, journal = {Linear and Multilinear Algebra}, year = {2019}, volume = {67}, number = {11}, month = {November}, issn = {0308-1087}, pages = {2147--2158}, numpages = {11}, keywords = {Birkhoff–James orthogonality; norm-parallelism; numerical radius; Davis–Wielandt radius}, }