On matrices whose numerical ranges have circular or weak circular symmetry (Q1970439)

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scientific article; zbMATH DE number 1419866
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English
On matrices whose numerical ranges have circular or weak circular symmetry
scientific article; zbMATH DE number 1419866

    Statements

    On matrices whose numerical ranges have circular or weak circular symmetry (English)
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    6 December 2000
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    nonnegative matrix
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    numerical range
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    numerical radius
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    circular disc
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    convex polygon
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    sharp point
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    cyclic index
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    diagonal symmetry
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    cycle
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    linearly partite digraph
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    ray pattern
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    undirected graph
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    irreducible
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    eigenvalue
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    spectrum
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