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Das algebraische Analogon zu einem Satze von Fej�r

https://doi.org/10.1007/bf01212904
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Convexity of the orbit-closed C -numerical range and majorization
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The numerical index of ℓp2
inferred← citeshttps://doi.org/10.1080/03081087.2022.2056116openalex-snapshot
Davis-Wielandt radius inequalities for off-diagonal operator matrices
inferred← citeshttps://doi.org/10.1080/03081087.2023.2251648openalex-snapshot
On the hyperbolicity of the Krein space numerical range
inferred← citeshttps://doi.org/10.1080/03081087.2024.2303721openalex-snapshot
Generalized matricial ranges and positive definiteness
inferred← citeshttps://doi.org/10.1080/03081087.2026.2734794openalex-snapshot
Polynomial numerical index with respect to a norm-one polynomial
inferred← citeshttps://doi.org/10.1080/03081087908817266openalex-snapshot
The numerical range of certain 0,1-matrices†
inferred← citeshttps://doi.org/10.1080/03081087908817291openalex-snapshot
On certain finite dimensional numerical ranges and numerical radii
inferred← citeshttps://doi.org/10.1080/03081088108817410openalex-snapshot
On the shape of the generalized numerical ranges
inferred← citeshttps://doi.org/10.1080/03081088208817457openalex-snapshot
The G-bilinear range
inferred← citeshttps://doi.org/10.1080/03081088308817554openalex-snapshot
Diameter and minimal width of the numerical range
inferred← citeshttps://doi.org/10.1080/03081088408817574openalex-snapshot
Some theorems on the generalized numerical ranges
inferred← citeshttps://doi.org/10.1080/03081088408817611openalex-snapshot
On the convexity of numerical range in quaternionic hilbert spaces
inferred← citeshttps://doi.org/10.1080/03081088508817697openalex-snapshot
Singular values and numerical radii
inferred← citeshttps://doi.org/10.1080/03081088608817700openalex-snapshot
On the generalized radial matrices and a conjecture of Marcus and Sandy
inferred← citeshttps://doi.org/10.1080/03081088608817719openalex-snapshot
Nondifferentiabie points of ∂ W c ( A )
inferred← citeshttps://doi.org/10.1080/03081088708817748openalex-snapshot
Computer generated numerical ranges and some resulting theorems
inferred← citeshttps://doi.org/10.1080/03081088708817806openalex-snapshot
On the generalized numerical range
inferred← citeshttps://doi.org/10.1080/03081089408818312openalex-snapshot
C-numerical ranges andC-numerical radii
inferred← citeshttps://doi.org/10.1080/03081089408818313openalex-snapshot
Some Geometrical Properties of thec-Numerical Range of a Normal Matrix
inferred← citeshttps://doi.org/10.1080/03081089408818324openalex-snapshot
On the convex hull of the multiform numerical range
inferred← citeshttps://doi.org/10.1080/03081089808818534openalex-snapshot
Numerical ranges in physics
inferred← citeshttps://doi.org/10.1088/1751-8121/ab4543openalex-snapshot
Geometric and algebraic origins of additive uncertainty relations
inferred← citeshttps://doi.org/10.1088/1751-8121/abb511openalex-snapshot
Joint separable numerical range and bipartite ultrafine entanglement witnessing
inferred← citeshttps://doi.org/10.1088/1751-8121/ac7017openalex-snapshot
Diagonal unitary and orthogonal symmetries in quantum theory: II. Evolution operators
inferred← citeshttps://doi.org/10.1090/conm/737/14856openalex-snapshot
Generalized numerical ranges, dilation, and quantum error correction
inferred← citeshttps://doi.org/10.1090/proc/13948openalex-snapshot
Operators with closed numerical ranges in nest algebras
inferred← citeshttps://doi.org/10.1090/pspum/106/01927openalex-snapshot
On Norm-attaining Mappings on Banach Spaces
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