Numerical ranges of reducible companion matrices

Lacunas for hyperbolic differential operators with constant coefficients I

Michael Atiyah, R. Bott, Lars Gårding · Acta Mathematica · 1970 · 256 citations · Full text

Hyperbolic Differential Operators, Parabolic Equation, Nonlinear Hyperbolic Problem +2

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

NUMERICAL RANGE AND PONCELET PROPERTY

Hwa-Long Gau, Pei Yuan Wu · Taiwanese Journal of Mathematics · 2003 · 53 citations · Full text

Numerical Analysis, Integral Geometry, Geometry Of Number +12

Numerical ranges and Poncelet curves

Boris Mirman · Linear Algebra and its Applications · 1998 · 46 citations

Numerical Analysis, Engineering, Geometry +5