On matrices whose numerical ranges have circular or weak circular symmetry

The numerical range of 3 × 3 matrices

Dennis S. Keeler, Leiba Rodman, Ilya M. Spitkovsky · Linear Algebra and its Applications · 1997 · 124 citations

Numerical Analysis, Engineering, Numerical Range +4

<i>C</i>-numerical ranges and<i>C</i>-numerical radii

Chi-Kwong Li · Linear and Multilinear Algebra · 1994 · 91 citations

Numerical Analysis, Numerical Computation, Engineering +7

Numerical range of<i>s</i>(φ)

Hwa-Long Gau, Pei Yuan Wu · Linear and Multilinear Algebra · 1998 · 71 citations

Numerical Analysis, Spectral Theory, Infinite Dimensional Analysis +8

Geometry of the numerical range of matrices

Miroslav Fiedler · Linear Algebra and its Applications · 1981 · 70 citations

Numerical Analysis, Numerical Range, Matrix Method +3

Cyclic and diagonal products on a matrix

Gernot M. Engel, Hans Schneider · Linear Algebra and its Applications · 1973 · 59 citations

Matrix Method, Matrix Theory, Diagonal Products +1