A function space Cp(X) not linearly homeomorphic to Cp(X) × ℝ

Volume 153 / 1997

Witold Marciszewski Fundamenta Mathematicae 153 (1997), 125-40 DOI: 10.4064/fm-153-2-125-40


We construct two examples of infinite spaces $X$ such that there is no continuous linear surjection from the space of continuous functions $c_p(X)$ onto $c_p(X) × ℝ$. In particular, $c_p(X)$ is not linearly homeomorphic to $c_p(X) × ℝ$. One of these examples is compact. This answers some questions of Arkhangel'skiĭ.


  • Witold Marciszewski

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