@article{(Open Science Index):https://publications.waset.org/pdf/11448, title = {The Ratios between the Spectral Norm, the Numerical Radius and the Spectral Radius}, author = {Kui Du}, country = {}, institution = {}, abstract = {Recently, Uhlig [Numer. Algorithms, 52(3):335-353, 2009] proposed open questions about the ratios between the spectral norm, the numerical radius and the spectral radius of a square matrix. In this note, we provide some observations to answer these questions. }, journal = {International Journal of Mathematical and Computational Sciences}, volume = {4}, number = {8}, year = {2010}, pages = {1113 - 1116}, ee = {https://publications.waset.org/pdf/11448}, url = {https://publications.waset.org/vol/44}, bibsource = {https://publications.waset.org/}, issn = {eISSN: 1307-6892}, publisher = {World Academy of Science, Engineering and Technology}, index = {Open Science Index 44, 2010}, }