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Yinhe Peng: Basis of Countryman lines
Place: Fields Institute (Room 210) Date: July 13 , 2018 (13:30-15:00) Speaker: Title: Basis of Countryman lines Abstract: U. Abraham and S. Shelah proved that it is consistent to have a 2 element basis for Countryman lines. J. T.  Moore proved that, under PFA, these 2 Countryman lines serve as a basis for Aronszajn lines. We… ...