A Cantor spectrum diagonal in O_2
Operator Algebras
2025-05-15 v2
Abstract
We prove the existence of a C*-diagonal in the Cuntz algebra O_2 with spectrum homeomorphic to the Cantor space.
Cite
@article{arxiv.2409.03511,
title = {A Cantor spectrum diagonal in O_2},
author = {Philipp Sibbel and Wilhelm Winter},
journal= {arXiv preprint arXiv:2409.03511},
year = {2025}
}
Comments
7 pages; minor changes, to appear in Proceedings of the AMS Series B