Numerical ranges of weighted shift matrices

Perron–Frobenius type results on the numerical range

John Maroulas, Panayiotis Psarrakos, Michael J. Tsatsomeros · Linear Algebra and its Applications · 2002 · 46 citations · Full text

Natural Sciences, Mathematics, Computational Physics +4

The numerical range of a weighted shift

Quentin F. Stout · Proceedings of the American Mathematical Society · 1983 · 39 citations

Computing, Computer Science, Mathematics +7

The numerical range of a nonnegative matrix

Chi-Kwong Li, Bit-Shun Tam, Pei Yuan Wu · Linear Algebra and its Applications · 2002 · 35 citations

Computing, Computer Science, Algorithms +6

On matrices whose numerical ranges have circular or weak circular symmetry

Bit-Shun Tam, Shangjun Yang · Linear Algebra and its Applications · 1999 · 32 citations

Natural Sciences, Mathematics, Dynamical Systems +8

Numerical range of a weighted shift with periodic weights

William C. Ridge · Proceedings of the American Mathematical Society · 1976 · 18 citations

Natural Sciences, Computer Science, Mathematics +6