https://orcid.org/0000-0002-3016-4028
References
- Bhunia P, Bag S, Paul K. Numerical radius inequalities and its applications in estimation of zeros of polynomials. Linear Algebra Appl. 2019;573:166–177.
- Goldberg M, Tadmor E. On the numerical radius and its applications. Linear Algebra Appl. 1982;42:263–284.
- Goldstein A, Ryff JV, Clarke LE. Problem 5473. Amer Math Monthly. 1968;75(3):309.
- Kittaneh F. A numerical radius inequality and an estimate for the numerical radius of the Frobenius companion matrix. Studia Math. 2003;158(1):11–17.
- Kittaneh F. Numerical radius for Hilbert space operators. Studia Math. 2005;168(1):73–80.
- Dragomir SS. Inequalities for the norm and numerical radius of composite operator in Hilbert spaces. Internat Ser Numer Math. 2008;157:135–146.
- Marcus M, Andresen P. Constrained extrema of bilinear functionals. Monutsh Math. 1977;84:219–235.
- Tsing NK. The constrained bilinear form and the C-numerical ranges. Linear Algebra Appl. 1984;56:195–206.
- Li CK, Metha PP, Rodman L. A generalized numerical range: the range of a constrained sesquilinear form. Linear Multilinear Algebra. 1994;37:25–50.
- Li CK, Nakazato H. some results on the q-numerical. Linear Multilinear Algebra. 1998;43:385–409.
- Chien MT, Nakazato H. Davis-Wielandt shell of tridiagonal matrices. Linear Algebra Appl. 2002;340:15–31.
- Rajic R. A generalized q-numerical range. Math Commun. 2005;10:31–45.
- Chien MT, Nakazato H. The q-numerical radius of weighted shift operators with periodic weights. Linear Algebra Appl. 2007;422:198–218.
- Chien MT. The numerical radius of a weighted shift operator. RIMS Kôkyûroku. 2012;1778:70–77.
- Yamazaki T. On upper and lower bounds of the numerical radius and an equality condition. Studia Math. 2007;178:83–89.
- Nakazato H. The C-numerical range of a 2×2 matrix. Sci Rep Hirosaki Univ. 1994;41:197–206.
- Furuta T. Norm inequalities equivalent to Lowner-Heinz theorem. Rev Math Phys. 1989;1:135–137.
- Kittaneh F. Norm inequalities for sums of positive operators. J Operator Theory. 2002;48:95–103.
- Furuta T. A simplified proof of Heinz inequality and scrutiny of its equality. Proc Amer Math Soc. 1986;97:751–753.
- Kamel Mirmostafaee A, Pourbahari Rahpeyma O, Erfanian Omidvar M. Numerical radius inequalities for finite sums of operators. Demonstratio Math XLVII. 2014;47(4):963–970.