Volume 26, Issue 4 Fuad Kittaneh Ali Zamani Norm inequalities for parallel sums of 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 Fuad Kittaneh Ali Zamani Find more articles with the same keywords parallel sum positive definite operator inequality Find more articles with the same subject classes 47A30 47B65