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Hankel tensors: associated Hankel matrices and Vandermonde decomposition (Q2257626)

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Hankel tensors: associated Hankel matrices and Vandermonde decomposition
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    Hankel tensors: associated Hankel matrices and Vandermonde decomposition (English)
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    25 February 2015
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    The paper presents an initial study on Hankel tensors. It brings concept and definition of the Hankel tensor associated with a Hankel matrix. The author defines the basic terms, derives the fundamental properties like symmetricity, copositivity, positive semi-definity, etc., and discusses properties of the Hadamard product and the Vandermonde decomposition of Hankel tensors. One section is dedicated to the spectral properties of the Hankel tensors and bounds for their H- and Z-eigenvalues. Through the whole paper, the author raises additional questions that may inspire further research.
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    Hankel tensors
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    Hankel matrices
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    plane tensors
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    positive semi-definiteness
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    co-positiveness
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    generating functions
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    Vandermonde decomposition
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    eigenvalues of tensors
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    Hadamard product
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