**CUNY Graduate Center**

**Room 6417**

**Fridays 10:00am-12:00pm**

**Organized by Victoria Gitman and Corey Switzer**

**Spring 2019**

**May 17**

**Jonas Reitz**
CUNY

**Generalized Cohen Iterations**

**Abstract**

**May 10**

**Kameryn Williams**
University of Hawai‘i at Mānoa

**Transfinite Recursion from Gödel–Bernays to Kelley–Morse**

**Abstract**

**May 3**

**Joseph Van Name**
CUNY

**Lower bounds on the cardinalities of quotient algebras of elementary embeddings**

**Abstract**

**April 26**

**Seminar cancelled**

Spring Break

**April 19**

**Seminar cancelled**

Spring Break

**April 5**

**Michał Tomasz Godziszewski**
University of Warsaw

**Set-Theoretic Independence and Machine Learning**

**Abstract**

**March 29**

**Grigor Sargsyan**
Rutgers University

**Universally Baire Sets and the powerset function**

**Abstract**

**March 22**

**Special time: 12:30-2pm**

**Arthur Apter**
CUNY

**Strong Compactness, Easton Functions, and Indestructibility**

**Abstract**

**March 22**

**Joel David Hamkins**
Oxford University

**Kelley-Morse set theory does not prove the class Fodor Principle**

**Abstract**

**March 15**

**Stefan Mesken**
University of Münster

**Bedrocks in Extender Models**

**Abstract**

**March 8**

**Brent Cody**
Virginia Commonwealth University

**Characterizations of the two-cardinal weakly compact ideal**

**Abstract**

**March 1**

**Chris Lambie-Hanson**
Virginia Commonwealth University

**The C-sequence number**

**Abstract**

**February 15**

**Dan Saattrup Nielsen**
University of Bristol

**Level-by-level virtual large cardinals**

**Abstract**

**February 8**

**Sean Cox**
Virginia Commonwealth University

**Martin's Maximum and the Diagonal Reflection Principle**

**Abstract**

**February 1**

**Gunter Fuchs**
CUNY

**Bounded forcing axioms and the preservation of wide Aronszajn trees**

**Abstract**