Mathematical Inequalities & Applications · Volume 26, Issue 1 Sharp, double inequalities bounding the function (1+x)1/x and a refinement of Carleman's inequality 26-08 Pages 93-107 DOI 10.7153/mia-2023-26-08 Downloads Short PDF Full PDF PNG Authors Vito Lampret Keywords approximation double inequality estimate expansion exponential function monotonicity number e sequence Subject classes 26D20 41A17 41A30