TY - BOOK AU - Gustafson, K. E. AU - Rao, D. K. M. PY - 1997 DA - 1997// TI - Numerical Range PB - Springer CY - New York UR - https://doi.org/10.1007/978-1-4613-8498-4 DO - 10.1007/978-1-4613-8498-4 ID - Gustafson1997 ER - TY - BOOK AU - Halmos, P. R. PY - 1982 DA - 1982// TI - A Hilbert Space Problem Book PB - Springer CY - New York UR - https://doi.org/10.1007/978-1-4684-9330-6 DO - 10.1007/978-1-4684-9330-6 ID - Halmos1982 ER - TY - JOUR AU - Kittaneh, F. PY - 2003 DA - 2003// TI - A numerical radius inequality and an estimate for the numerical radius of the Frobenius companion matrix JO - Stud. Math. VL - 158 UR - https://doi.org/10.4064/sm158-1-2 DO - 10.4064/sm158-1-2 ID - Kittaneh2003 ER - TY - JOUR AU - Kittaneh, F. PY - 2005 DA - 2005// TI - Numerical radius inequalities for Hilbert space operators JO - Stud. Math. VL - 168 UR - https://doi.org/10.4064/sm168-1-5 DO - 10.4064/sm168-1-5 ID - Kittaneh2005 ER - TY - JOUR AU - El-Haddad, M. AU - Kittaneh, F. PY - 2007 DA - 2007// TI - Numerical radius inequalities for Hilbert space operators. II JO - Stud. Math. VL - 182 UR - https://doi.org/10.4064/sm182-2-3 DO - 10.4064/sm182-2-3 ID - El-Haddad2007 ER - TY - JOUR AU - Kittaneh, F. PY - 1988 DA - 1988// TI - Notes on some inequalities for Hilbert space operators JO - Publ. Res. Inst. Math. Sci. VL - 24 UR - https://doi.org/10.2977/prims/1195175202 DO - 10.2977/prims/1195175202 ID - Kittaneh1988 ER - TY - BOOK AU - Hardy, G. H. AU - Littlewood, J. E. AU - Pólya, G. PY - 1988 DA - 1988// TI - Inequalities PB - Cambridge University Press CY - Cambridge ID - Hardy1988 ER - TY - JOUR AU - Bani-Domi, W. AU - Kittaneh, F. PY - 2008 DA - 2008// TI - Norm equalities and inequalities for operator matrices JO - Linear Algebra Appl. VL - 429 UR - https://doi.org/10.1016/j.laa.2008.02.004 DO - 10.1016/j.laa.2008.02.004 ID - Bani-Domi2008 ER - TY - STD TI - Bani-Domi, W: Generalized numerical radius inequalities for 2×2$2\times2$ operator matrices. Ital. J. Pure Appl. Math. (to appear) ID - ref9 ER -