Volume 7, Issue 4 Jean-Christophe Bourin Convexity or concavity inequalities for Hermitian 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 Jean-Christophe Bourin Find more articles with the same keywords compressions convex function eigenvalues invariant norms Find more articles with the same subject classes 47A20 47A30 47A63