Abstract
Let $X$ be a continuum. A mean is a continuous function $m:X\times X\to X$ such that $m(x,x)=x$ and $m(x,y)=m(y,x)$ for every $x,y\in X$. In this note we give an example to respond negatively a question that appears in [3] and observe that using a theorem that appears in [1], two other questions posed in [3] are answered.
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More From: Proceedings of the Romanian Academy, Series A: Mathematics, Physics, Technical Sciences, Information Science
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