TY - JOUR A2 - Teschke, Gerd AU - Eskandari, Rasoul AU - Mirzapour, Farzollah AU - Morassaei, Ali PY - 2012 DA - 2012/08/16 TI - More on ( 𝜶 , 𝜷 ) -Normal Operators in Hilbert Spaces SP - 204031 VL - 2012 AB - We study some properties of (α,β)-normal operators and we present various inequalities between the operator norm and the numerical radius of (α,β)-normal operators on Banach algebra () of all bounded linear operators T:, where is Hilbert space. SN - 1085-3375 UR - https://doi.org/10.1155/2012/204031 DO - 10.1155/2012/204031 JF - Abstract and Applied Analysis PB - Hindawi Publishing Corporation KW - ER -