English

A note on the Moment Problem for codimension greater than 1

Optimization and Control 2024-12-16 v1

Abstract

We provide new conditions under which the alternating projection sequence converges in norm for the convex feasibility problem where a linear subspace with finite codimension N2N\geq 2 and a lattice cone in a Hilbert space are considered. The first result holds for any Hilbert lattice, assuming that the orthogonal of the linear subspace admits a basis made by disjoint vectors with respect to the lattice structure. The second result is specific for 2(N)\ell^2(\mathbb{N}) and is proved when only one vector of the basis is not in the cone but the sign of its components is definitively constant and its support has finite intersection with the supports of the remaining vectors.

Keywords

Cite

@article{arxiv.2412.10162,
  title  = {A note on the Moment Problem for codimension greater than 1},
  author = {Francesco Battistoni and Enrico Miglierina},
  journal= {arXiv preprint arXiv:2412.10162},
  year   = {2024}
}

Comments

10 pages

R2 v1 2026-06-28T20:34:10.334Z