A Very Brief Introduction to Nonnegative Tensors from the Geometric Viewpoint

Yang Qi
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Yang Qi: Department of Mathematics, University of Chicago, 5734 S. University Avenue, Chicago, IL 60637, USA

Mathematics, 2018, vol. 6, issue 11, 1-19

Abstract: This note is a short survey of nonnegative tensors, primarily from the geometric point of view. In addition to basic definitions, we discuss properties of and questions about nonnegative tensors, which may be of interest to geometers.

Keywords: nonnegative tensors; low-rank approximations; uniqueness and identifiability; spectral theory; EM algorithm; semialgebraic geometry (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2018
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