Volume 4, Issue 1 Atsushi Uchiyama Weyl's Theorem for Class A 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 Atsushi Uchiyama Find more articles with the same keywords class A operators w-hyponormal operators continuity of spectra Weyl's theorem Find more articles with the same subject classes 47A53 47B20