Volume 22, Issue 2 Hiroyuki Osaka Yukihiro Tsurumi Shuhei Wada Characterization of operator convex functions by certain operator inequalities 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 Hiroyuki Osaka Yukihiro Tsurumi Shuhei Wada Find more articles with the same keywords operator means operator monotone functions operator convex functions Find more articles with the same subject classes 47A64 47A63