The numerical range of some operators on a finite dimensional Hilbert space
Arthur Wanyonyi Wafula, J.M Khalaghai · International Journal of Statistics and Applied Mathematics · 2021
In this article we consider the geometry of the numerical range and show that if T is a hypernormal operator on a finite dimensional Hilbert space then its Numerical Range W (T) is Polygonal. AMS200 Mathematics classification 47B47, 47A30, 47B20.