Szymon Żeberski: Applications of Shoenfield Absoluteness Lemma

Tuesday, June 2, 2015 17:15

Room: D1-215

Speaker:
Szymon Żeberski

Title: Applications of Shoenfield Absoluteness Lemma

Abstract. We will recall Shoenfield Absoluteness Lemma about \(\Sigma^1_2\) sentences. We will show applications of this theorem connected to topological and algebraic structure of Polish spaces in publications co-authored by the speaker.