Identric Mean

The identric mean is defined by

for , , and . The identric mean has been investigated intensively and many remarkable inequalities for  have been published (Bullen et al. 1988, Alzer 1993).

REFERENCES:

Alzer, H. "Some Gamma Function Inequalities." Math. Comput. 60, 337-346, 1993.

Bullen, P. S.; Mitrinović, D. S.; and Vasić, P. M. Means and Their Inequalities. Dordrecht, Netherlands: Reidel, 1988