English

Effective Construction of a Positive Operator which does not admit Triangular Factorization

Classical Analysis and ODEs 2015-09-07 v3 Functional Analysis

Abstract

We have constructed a concrete example of a non-factorable positive operator. As a result, for the well-known problems (Ringrose, Kadison and Singer problems) we replace existence theorems by concrete examples.

Cite

@article{arxiv.0807.0318,
  title  = {Effective Construction of a Positive Operator which does not admit Triangular Factorization},
  author = {Lev Sakhnovich},
  journal= {arXiv preprint arXiv:0807.0318},
  year   = {2015}
}

Comments

The author's name and surname appear in this replacement in the correct order. A corrected and improved version

R2 v1 2026-06-21T10:56:43.139Z