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Alexander Heaton, Zoom: Minimality of tensors of fixed multilinear rank
Thursday, January 28, 2021, 03:30pm - 04:30pm
We discover a geometric property of the space of tensors of fixed multilinear rank. Namely, we show that real tensors of any fixed multilinear rank form a minimal submanifold of the Euclidean space of tensors endowed with the Frobenius inner product. We also establish the absence of local extrema for linear functionals restricted to the submanifold of rank-one tensors, finding application in statistics.
Location: Zoom

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