JIPAM

Proof For A Conjecture On General Means  
 
  Authors: Phan Thanh Nam, Mach Nguyet Minh,  
  Keywords: General means, Inflection point  
  Date Received: 31/05/08  
  Date Accepted: 16/09/08  
  Subject Codes:

26E60

 
  Editors: Sever S. Dragomir,  
 
  Abstract:

We give a proof for a conjecture suggested by Olivier de La Grandville and Robert M. Solow, which says that the general mean of two positive numbers, as a function of its order, has one and only one inflection point.;



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