Volume 18, Issue 3 Fuad Kittaneh Numerical radius inequalities associated with the Cartesian decomposition 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 Find more articles with the same keywords numerical radius usual operator norm cartesian decomposition convex function concave function triangle inequality Find more articles with the same subject classes 47A12 47A30 47A63 47B15