EXACT UPPER AND LOWER BOUNDS ON THE DIFFERENCE BETWEEN THE ARITHMETIC AND GEOMETRIC MEANS

IOSIF PINELIS
2015 Bulletin of the Australian Mathematical Society  
Exact upper and lower bounds on the difference between the arithmetic and geometric means are obtained. The inequalities providing these bounds may be viewed, respectively, as a reverse Jensen inequality and an improvement of the direct Jensen inequality, in the case when the convex function is the exponential.
doi:10.1017/s0004972715000350 fatcat:qrh4b7hs3ndhleodmcwaq2sf2y