Volume 5, Issue 3 Hyoung Joon Kim Hyperinvariant subspaces for operators having a normal part 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 Hyoung Joon Kim Find more articles with the same keywords hyperinvariant subspaces normal operators extremal vectors Find more articles with the same subject classes 47A15