|
|
|
|
Volume 6, Issue 1, Article 18 |
|
|
|
|
|
|
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.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|