Operator $K$-Positivity Preserver
Functional Analysis
2026-05-27 v1
Abstract
We characterize positivity preserving maps on and on compact sets . This also characterizes local operator moment sequences and general operator moment sequences via positivity preserving maps.
Keywords
Cite
@article{arxiv.2605.27329,
title = {Operator $K$-Positivity Preserver},
author = {Lars-Luca Langer},
journal= {arXiv preprint arXiv:2605.27329},
year = {2026}
}
Comments
11 pages