Volume 11, Issue 3 Guojun Hai Chegen Bao Alatancang Chen The invertibility for linear combinations of bounded linear operators with closed range 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 Guojun Hai Chegen Bao Alatancang Chen Find more articles with the same keywords invertibility bounded operator linear combination EP operator Find more articles with the same subject classes 47A05 47A10 47B99