Volume 16, Issue 3 Fei Zuo Hongliang Zuo Spectral properties and characterization of quasi-n-hyponormal operators Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Fei Zuo Hongliang Zuo Find more articles with the same keywords quasi-n-hyponormal operator n-normal operator spectral continuity Find more articles with the same subject classes 47B20 47A10 47B15