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math.GN2010★ 1 cited
Remarks on the preservation of topological covering properties under Cohen forcing
Masaru Kada
Iwasa investigated the preservation of various covering properties of opological spaces under Cohen forcing. By improving the argument in Iwasa's paper, we prove that the Rothberge…
math.GN2010
Preserving the Lindelöf property under forcing extensions
Masaru Kada
We investigate preservation of the Lindelöf property of topological spaces under forcing extensions. We give sufficient conditions for a forcing notion to preserve several strength…