Tag Archives: Successor of Regular Cardinal

Rectangular square-bracket operation for successor of regular cardinals

Joint work with Stevo Todorcevic. Extended Abstract: Consider the coloring statement λ+[λ+;λ+]λ+2 for a given regular cardinal λ: In 1990, Shelah proved the above for λ>20; In 1991, Shelah proved the above for λ>1; In 1997, Shelah proved the above … Continue reading

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On guessing generalized clubs at the successors of regulars

Abstract: Konig, Larson and Yoshinobu initiated the study of principles for guessing generalized clubs, and introduced a construction of an higher Souslin tree from the strong guessing principle. Complementary to the author’s work on the validity of diamond and non-saturation … Continue reading

Posted in Publications, Souslin Hypothesis, Squares and Diamonds | Tagged , , , , , , , , , , , | 2 Comments