Preservation of Linear Constraints in Approximation of Tensors

Authors

  • Eugene Tyrtyshnikov

DOI:

https://doi.org/10.4208/nmtma.2009.m9004s

Keywords:

Multi-index arrays, tensors, linear constraints, low rank approximation, canonical tensor decomposition, multilevel matrices.

Abstract

For an arbitrary tensor (multi-index array) with linear constraints at each direction, it is proved that the factors of any minimal canonical tensor approximation to this tensor satisfy the same linear constraints for the corresponding directions.

Published

2009-02-01

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Articles