On Open-Open Games of Uncountable Length

The aim of this paper is to investigate the open-open game of uncountable length. We introduce a cardinal number 𝜇(𝑋), which says how long the Player I has to play to ensure a victory. It is proved that 𝑐(𝑋)≤𝜇(𝑋)≤𝑐(𝑋)+. We also introduce the class 𝒞𝜅 of topological spaces that can be represented as...

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Bibliographic Details
Main Author: Andrzej Kucharski
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/2012/208693
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