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math.GN2018
Selective versions of -density
Liljana Babinkostova, Bruno A. Pansera, Marion Scheepers
In [8] the authors initiate the study of selective versions of the notion of -separability in non-regular spaces. In this paper we continue this investigation by establishing co…
math.LO2018
Meager Sets, Games and Singular Cardinals
Liljana Babinkostova, Marion Scheepers
We show that a statement concerning the existence of winning strategies of limited memory in an infinite two-person topological game is equivalent to a weak version of the Singular…