Volume 5, Issue 1 Takayuki Furuta Eizaburo Kamei An extension of Uchiyama's result associated with an order preserving operator inequality 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 Takayuki Furuta Eizaburo Kamei Find more articles with the same keywords chaotic order Furuta inequality arithmetic mean and harmonic mean Find more articles with the same subject classes 47A63