Ashutosh Kumar: Around a question of Juhasz

Students Set Theory Seminar (HUJI)

We shall meet Wednesday (November 26) in the Hebrew University (in Ross 63), 15:30–17:00.

Speaker: Ashutosh Kumar

Title: Around a question of Juhasz

Abstract: We’ll investigate some results related to a question of Juhasz. We’ll show that consistently, there is no real valued measurable cardinal below the continuum and there is a finitely additive extension of Lebesgue measure whose null ideal is a sigma ideal. We also show that there is a countable partition of
reals into interior free sets under the density topology of any such extension. Joint work with Kunen.

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