A proof of the Fong--Tsui conjecture
arXiv:2609.16236
Abstract
We prove that a bounded operator on a complex Hilbert space is self-adjoint whenever $|T|\leq|\re T|$, as conjectured by Fong and Tsui \cite{FT}.
arXiv:2609.16236
We prove that a bounded operator on a complex Hilbert space is self-adjoint whenever $|T|\leq|\re T|$, as conjectured by Fong and Tsui \cite{FT}.