JIPAM

Invariant Means, Set Ideals and Separation Theorems  
 
  Authors: Roman Badora,  
  Keywords: Amenable group, Set ideal, Cauchy functional equation.  
  Date Received: 30/11/04  
  Date Accepted: 25/01/05  
  Subject Codes:

Primary 43A07, 39B72.

 
  Editors: Kazimierz Nikodem,  
 
  Abstract:

We establish connections between invariant means and set ideals. As an application, we obtain a necessary and sufficient condition for the separation almost everywhere of two functions by an additive function. We also derive the stability results for Cauchy's functional equation.;



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