Back-and-Forth Relations on Boolean Algebras.
AMS meeting, Wesleyan
Algorithmic Randomness and Computability.
Mathematics Graduate Group, University of Chicago.
A Characterization of the lown Degrees
by Escape Functions
ASL meeting, University of Florida.
η-Representation of Sets and Degrees
Logic Seminar, University of Chicago.
On Bounding Saturated Models
AMS meeting, Northwestern University.