English

Recovery algorithms for high-dimensional rank one tensors

Numerical Analysis 2018-08-21 v2

Abstract

We present deterministic algorithms for the uniform recovery of dd-variate rank one tensors from function values. These tensors are given as product of dd univariate functions whose rrth weak derivative is bounded by MM. The recovery problem is known to suffer from the curse of dimensionality for M2rr!M\geq 2^r r!. For smaller MM, a randomized algorithm is known which breaks the curse. We construct a deterministic algorithm which is even less costly. In fact, we completely characterize the tractability of this problem by three different ranges of the parameter MM.

Keywords

Cite

@article{arxiv.1711.03986,
  title  = {Recovery algorithms for high-dimensional rank one tensors},
  author = {David Krieg and Daniel Rudolf},
  journal= {arXiv preprint arXiv:1711.03986},
  year   = {2018}
}

Comments

16 pages, Accepted for publication in J. Approx. Theory

R2 v1 2026-06-22T22:42:35.627Z