Volume 10, Issue 2 Il Ju An Eungil Ko Note on some operator equations and local spectral properties 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 Il Ju An Eungil Ko Find more articles with the same keywords operator equations spectrum single valued extension property Find more articles with the same subject classes 47A10 47A53 47B20