@article{paperid:1046678, author = {Fuad Kittaneh and Sal Moslehian, Mohammad and Takeaki Yamazaki}, title = {Cartesian decomposition and numerical radius inequalities}, journal = {Linear Algebra and its Applications}, year = {2015}, volume = {471}, number = {1}, month = {April}, issn = {0024-3795}, pages = {46--53}, numpages = {7}, keywords = {Numerical radius; positive operator; Cartesian decomposition; triangle inequality}, }