Mathematics – Numerical Analysis
Scientific paper
2010-04-28
Mathematics
Numerical Analysis
12 pages, fixed several typos
Scientific paper
Eigenvectors of tensors, as studied recently in numerical multilinear algebra, correspond to fixed points of self-maps of a projective space. We determine the number of eigenvectors and eigenvalues of a generic tensor, and we show that the number of normalized eigenvalues of a symmetric tensor is always finite. We also examine the characteristic polynomial and how its coefficients are related to discriminants and resultants.
Cartwright Dustin
Sturmfels Bernd
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