Author:
Otkun Çevik E.,Ismailov Z. I.
Reference24 articles.
1. I. M. Gelfand, ‘‘Normierte ringe,’’ Mat. Sb. 9(51), 3–24 (1941).
2. K. E. Gustafson and D. K. M. Rao, General Problems in the Theory of Boundary Value Problems (Springer, New York, 1982).
3. P. R. Halmos, A Hilbert Space Problem Book (Springer, New York, 1982).
4. F. Kittaneh, ‘‘Spectral radius inequalities for Hilbert space operators,’’ Proc. Am. Math. Soc. 134, 385–390 (2006).
5. A. Abu-Omar and F. Kittaneh, ‘‘Estimates for the numerical radius and spectral radius of the Frobenius companion matrix and bounds for the zeros of polynomials,’’ Ann. Funct. Anal. 5, 56–626 (2014).