When is the numerical range of a nilpotent matrix circular?
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Publication:961581
DOI10.1016/j.amc.2010.01.052zbMath1191.15018OpenAlexW1963945643MaRDI QIDQ961581
Valentin Matache, Mihaela T. Matache
Publication date: 31 March 2010
Published in: Applied Mathematics and Computation (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.amc.2010.01.052
Related Items (5)
On the envelope of some classes of 3 by 3 matrices ⋮ Factorization of Singular Matrix Polynomials and Matrices with Circular Higher Rank Numerical Ranges ⋮ Partial isospectrality of a matrix pencil and circularity of the \(c\)-numerical range ⋮ Unnamed Item ⋮ Isospectrality and matrices with concentric circular higher rank numerical ranges
Cites Work
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- The numerical range of \(3 \times 3\) matrices
- On flat portions on the boundary of the numerical range
- Matricial ranges of quadratic operators
- Elliptic numerical ranges of \(4\times 4\) matrices
- The numerical range of a nilpotent operator on a Hilbert space
- The significance of theC-numerical range and the localC-numerical range in quantum control and quantum information
- Über den Wertevorrat einer Matrix
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