Sharp Z-eigenvalue inclusion set-based method for testing the positive definiteness of multivariate homogeneous forms
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DOI: 10.2298/fil2009131w
Abstract: In this paper, we establish a sharp Z-eigenvalue inclusion set for even-order real tensors by Zidentity tensor and prove that new Z-eigenvalue inclusion set is sharper than existing results. We propose some sufficient conditions for… read more here.
Keywords: testing positive; eigenvalue inclusion; positive definiteness; inclusion set ... See more keywords