**CUNY Graduate Center**

**Room 6417**

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

**Organized by Victoria Gitman and Corey Switzer**

**Calendar**

**May 27**

**12:15pm** NY time

**Virtual** (email Victoria Gitman for meeting id)

**William Chan**
Carnegie Mellon University

**Determinacy and Partition Properties: Part II**

**Abstract**

**May 20**

**12:15pm** NY time

**Virtual** (email Victoria Gitman for meeting id)

**William Chan**
Carnegie Mellon University

**Determinacy and Partition Properties**

**Abstract**

**May 13**

**12:15pm** NY time

**Virtual** (email Victoria Gitman for meeting id)

**GC Room 6496**

**Andrew Brooke-Taylor**
University of Leeds

**Categorifying Borel reducibility**

**Abstract**

**May 6**

**12:15pm** NY time

**Virtual** (email Victoria Gitman for meeting id)

**GC Room 6496**

**James Holland**
Rutgers University

**Weak Indestructibility and Reflection**

**Abstract**

**April 29**

**12:15pm** NY time

**Virtual** (email Victoria Gitman for meeting id)

**GC Room 6496**

**Andreas Blass**
University of Michigan

**Do these ultrafilters exist, II: not Tukey top**

**Abstract**

**April 22**

**12:15pm** NY time

**Virtual** (email Victoria Gitman for meeting id)

**GC Room 6496**

**Andreas Blass**
University of Michigan

**Do these ultrafilters exist, I: preservation by forcing**

**Abstract**

**April 15**

**12:15pm** NY time

**Virtual** (email Victoria Gitman for meeting id)

**GC Room 6496**

**Joel David Hamkins**
Notre Dame University

**The surprising strength of reflection in second-order set theory with abundant urelements**

**Abstract**

**April 1**

**12:15pm** NY time

**Virtual** (email Victoria Gitman for meeting id)

**GC Room 6496**

**Vera Fischer**
University of Vienna

**Independent families, Spectra and Indestructibility: Part II**

**Abstract**

**March 25**

**12:30pm** NY time

**Virtual** (email Victoria Gitman for meeting id)

**GC Room 6496**

**Vera Fischer**
University of Vienna

**Independent families, Spectra and Indestructibility**

**Abstract**

**March 4**

**The seminar will take place virtually at 12:30pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Tom Benhamou**
Tel Aviv University

**Subforcings of the Tree-Prikry Forcing**

**Abstract**

**February 25**

**The seminar will take place virtually at 12:30pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Richard Matthews**
University of Leeds

**Big classes and the respected model**

**Abstract**

**February 18**

**The seminar will take place virtually at 12:30pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Sittinon Jirattikansakul**
Tel Aviv University

**Forcing with overlapping supercompact extenders: Part II**

**Abstract**

**February 11**

**Sittinon Jirattikansakul**
Tel Aviv University

**Forcing with overlapping supercompact extenders**

**Abstract**

**January 21**

**The seminar will take place virtually at 2pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Wolfgang Wohofsky**
University of Vienna

**Distributivity spectrum and fresh functions: Part II**

**Abstract**

**January 14**

**The seminar will take place virtually at 2pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Wolfgang Wohofsky**
University of Vienna

**Distributivity spectrum and fresh functions**

**Abstract**

**December 10**

**The seminar will take place virtually at 2pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Eyal Kaplan**
Tel Aviv University

**Non-stationary support iterations of Prikry forcings and restrictions of ultrapower embeddings to the ground model: Part II**

**Abstract**

**December 3**

**Eyal Kaplan**
Tel Aviv University

**Non-stationary support iterations of Prikry forcings and restrictions of ultrapower embeddings to the ground model**

**Abstract**

**November 19**

**Corey Switzer**
University of Vienna

**Definable Well Orders and Other Beautiful Pathologies**

**Abstract**

**November 12**

**The seminar will take place virtually at 1pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Tom Benhamou**
Tel Aviv University

**Intermediate Prikry-type models, quotients, and the Galvin property: Part II**

**Abstract**

**November 5**

**The seminar will take place virtually at 1pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Tom Benhamou**
Tel Aviv University

**Intermediate Prikry-type models, quotients, and the Galvin property**

**Abstract**

**October 29**

**Kameryn Williams**
Sam Houston State University

**Potentialism about classes**

**Abstract**

**October 15**

**Yuxin Zhou**
University of Florida

**Color isosceles triangles countably in $\mathbb{R}^2$ and but not in $\mathbb{R}^3$**

**Abstract**

**October 8**

**Brent Cody**
Virginia Commonwealth University

**Higher derived topologies**

**Abstract**

**October 1**

**The seminar will take place virtually at 11:30am US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Matteo Viale**
University of Torino

**Absolute model companionship, forcibility, and the continuum problem: Part II**

**Abstract**

**September 24**

**The seminar will take place virtually at 11:30am US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Matteo Viale**
University of Torino

**Absolute model companionship, forcibility, and the continuum problem**

**Abstract**

**September 3**

**Joan Bagaria**
Universitat de Barcelona

**Huge Reflection, and beyond**

**Abstract**

**August 13**

**Adrian Mathias**
University of Freiburg

**Linking descriptive set theory to symbolic dynamics: Part II**

**Abstract**

**August 6**

**Adrian Mathias**
University of Freiburg

**Linking descriptive set theory to symbolic dynamics**

**Abstract**

**July 30**

**Neil Barton**
University of Konstanz

**Countabilism and Maximality (or 'Some Systems of Set Theory on which Every Set Is Countable')**

**Abstract**

**July 23**

**Philip Welch**
University of Bristol

**The universe constructed from a set (or class) of regular cardinals**

**Abstract**

**July 16**

**Monroe Eskew**
University of Vienna

**Integration with filters**

**Abstract**

**July 9**

**Paul Kindvall Gorbow**
University of Gothenburg

**The Copernican Multiverse of Sets: Part II**

**Abstract**

**July 2**

**Paul Kindvall Gorbow**
University of Gothenburg

**The Copernican Multiverse of Sets**

**Abstract**

**June 4**

**Gabriel Goldberg**
University of Berkeley

**The HOD conjecture and the structure of elementary embeddings: Part II**

**Abstract**

**May 28**

**Gabriel Goldberg**
University of Berkeley

**The HOD conjecture and the structure of elementary embeddings**

**Abstract**

**May 21**

**The seminar will take place virtually at 1pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Omer Ben-Neria**
Hebrew University

**Mathias-type Criterion for the Magidor Iteration of Prikry forcings**

**Abstract**

**May 14**

**Corey Switzer**
University of Vienna

**Tight Maximal Eventually Different Families**

**Abstract**

**May 7**

**Benjamin Goodman**
CUNY

**Woodin's Extender Algebra**

**Abstract**

**April 30**

**Elliot Glazer**
Harvard University

**Paradoxes of perfectly small sets**

**Abstract**

**April 23**

**Andrés Villaveces**
Universidad Nacional de Colombia – Bogotá

**Two logics, and their connections with large cardinals / Questions for BDGM: Part II**

**Abstract**

**April 16**

**Andrés Villaveces**
Universidad Nacional de Colombia – Bogotá

**Two logics, and their connections with large cardinals / Questions for BDGM**

**Abstract**

**April 9**

**Sandra Müller**
University of Vienna

**The exact consistency strength of 'AD + all sets are universally Baire'**

**Abstract**

**April 2**

**Monroe Eskew**
University of Vienna

**The approximation property and generic embeddings**

**Abstract**

**March 26**

**The seminar will take place virtually at 11am US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Carolin Antos**
University of Konstanz

**The 'algebraic' vs. 'non-algebraic' distinction: New impulses for the universe/multiverse debate?**

**Abstract**

**March 19**

**Paul Blain Levy**
University of Birmingham

**Broad Infinity and Generation Principles**

**Abstract**

**March 12**

**Hossein Lamei Ramandi**
University of Toronto

**Galvin's question on non-$\sigma$-well ordered linear orders**

**Abstract**

**March 5**

**Hiroshi Sakai**
Kobe University

**Generalized stationary reflection and cardinal arithmetic**

**Abstract**

**February 26**

**Farmer Schlutzenberg**
University of Münster

**(Non)uniqueness and (un)definability of embeddings beyond choice**

**Abstract**

**February 19**

**Philipp Lücke**
University of Bonn

**Magidor-style embedding characterizations of large cardinals**

**Abstract**

**February 12**

**Bea Adam-Day**
University of Leeds

**Indestructibility (or otherwise) of subcompactness and C(n)-supercompactness**

**Abstract**

**February 5**

**Andreas Blass**
University of Michigan

**Choice from Finite Sets: A Topos View**

**Abstract**

**January 29**

**Erin Carmody**
Fordham University

**The relationships between measurable and strongly compact cardinals: Part II**

**Abstract**

**January 22**

**Erin Carmody**
Fordham University

**The relationships between measurable and strongly compact cardinals**

**Abstract**

**January 15**

**Trevor Wilson**
Miami University

**The large cardinal strength of Vopenka's Principle for trees and for rayless trees**

**Abstract**

**January 8**

**Thilo Weinert**
University of Vienna

**A miscellany of observations regarding cardinal characteristics of the continuum**

**Abstract**

**December 11**

**The seminar will take place virtually at 11am US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Dima Sinapova**
University of Chicago

**Iteration, reflection, and singular cardinals**

**Abstract**

**December 4**

**The seminar will take place virtually at 3pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Zach Norwood**
University of Michigan

**The Triangular Embedding Theorem**

**Abstract**

**November 20**

**The seminar will take place virtually at 3pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Philipp Schlicht**
University of Vienna

**The recognisable universe in the presence of measurable cardinals**

**Abstract**

**November 13**

**The seminar will take place virtually at 3pm US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Diana Montoya**
University of Vienna

**Independence and uncountable cardinals**

**Abstract**

**November 6**

**Ernest Schimmerling**
Carnegie Mellon University

**Covering at limit cardinals of K**

**Abstract**

**October 30**

**Benedikt Löwe**
University of Hamburg

**Analysis in higher analogues of the reals**

**Abstract**

**October 23**

**Gabriel Goldberg**
University of Berkeley

**Ultrapowers and the approximation property**

**Abstract**

**October 16**

**Richard Matthews**
University of Leeds

**Taking Reinhardt's Power Away**

**Abstract**

**October 9**

**The seminar will take place virtually at 11am US Eastern Standard Time. Please email Victoria Gitman for meeting id.**

**Heike Mildenberger**
Albert-Ludwigs-Universität Freiburg

**Forcing with variants of Miller trees**

**Abstract**

**October 2**

**David Aspero**
University of East Anglia

**Martin’s Maximum^++ implies the P_max axiom (*) (Part 2)**

**Abstract**

**September 25**

**Ralf Schindler**
University of Münster

**Martin's Maximum^++ implies the P_max axiom (*)**

**Abstract**

**September 18**

**Arthur Apter**
CUNY

**UA and the Number of Normal Measures over $\aleph_{\omega + 1}$**

**Abstract**

**September 4**

**Mirna Džamonja**
IHPST, CNRS-Université Panthéon-Sorbonne Paris, France

**On logics that make a bridge from the Discrete to the Continuous**

**Abstract**

**August 28**

**Miha Habič**
Bard College at Simon’s Rock

**Normal ultrapowers with many sets of ordinals**

**Abstract**

**August 21**

**Dan Hathaway**
University of Vermont

**A relative of ${\rm ZF} + {\rm DC} + `\omega_1\text{ is measurable'}$**

**Abstract**

**August 14**

**Gunter Fuchs**
CUNY

**Canonical fragments of the strong reflection principle**

**Abstract**

**August 7**

**Brent Cody**
Virginia Commonwealth University

**Higher indescribability**

**Abstract**

**July 31**

**The seminar will take place virtually at 12pm US Eastern Standard Time. Please email Victoria Gitman for meeting id (this talk will have a different meeting ID!).**

**Corey Switzer**
CUNY

**Dissertation defense: Alternative Cichoń diagrams and forcing axioms compatible with CH**

**Abstract**

**July 24**

**Andrew Brooke-Taylor**
University of Leeds

**Measurable cardinals and limits in the category of sets**

**Abstract**

**July 17**

**Kaethe Minden**
Bard College at Simon's Rock

**Maximality and Resurrection**

**Abstract**

**July 10**

**Peter Holy**
University of Udine

**Uniform large cardinal characterizations and ideals up to measurability**

**Abstract**

**July 3**

**Vera Fischer**
University of Vienna

**More ZFC inequalities between cardinal invariants**

**Abstract**

**June 26**

**Joel David Hamkins**
Oxford University

**Categorical cardinals**

**Abstract**

**June 19**

**Boban Velickovic**
University of Paris 7

**Strong guessing models**

**Abstract**

**June 12**

**Michał Godziszewski**
Munich Center for Mathematical Philosophy

**The Multiverse, Recursive Saturation and Well-Foundedness Mirage: Part II**

**Abstract**

**June 5**

**Michał Godziszewski**
Munich Center for Mathematical Philosophy

**The Multiverse, Recursive Saturation and Well-Foundedness Mirage: Part I**

**Abstract**

**May 29**

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

**The geology of inner mantles**

**Abstract**

**May 22**

**Ali Enayat**
University of Gothenburg

**Recursively saturated models of set theory and their close relatives: Part II**

**Abstract**

**May 15**

**Ali Enayat**
University of Gothenburg

**Recursively saturated models of set theory and their close relatives: Part I**

**Abstract**

**May 8**

**Sandra Müller**
University of Vienna

**How to obtain lower bounds in set theory**

**Abstract**

**May 1**

**Joan Bagaria**
Universitat de Barcelona

**From Strong to Woodin cardinals: A level-by-level analysis of the Weak Vopenka Principle**

**Abstract**

**April 24**

**Arthur Apter**
CUNY

**Indestructibility and the First Two Strongly Compact Cardinals**

**Abstract**

**April 17**

**Corey Switzer**
CUNY

**Specializing Wide Trees Without Adding Reals**

**Abstract**

**January 31**

**Chris Lambie-Hanson**
Virginia Commonwealth University

**Set theoretic compactness and higher derived limits**

**Abstract**