Time:  12:00  13:20 
Room: 
Porter Hall A 19 D

Speaker: 
Ernest Schimmerling Department of Mathematical Sciences Carnegie Mellon University 
Title: 
Open problems about L

Abstract:  There are indeed open questions about L. I'll state a few and describe related results on two topics: forcing axioms and mutual stationarity. The talk will include an overview of Jensen's fine structure theory and, as such, will be selfcontained. 