All presentations

2020

Bernoulli jumps of equivalence relations
University of Florida Logic Seminar, Gainesville, November 2020

 

Classification of countable models of ZFC
CUNY Models of PA seminar, September 2020

 

Jumps and the classification of scattered linear orders
SEALS Conference, Gainesville, February 2020 (Gainesville slides)

2019

Locally finite groups and automorphisms
Boise Set Theory and Logic Seminar, December 2019

 

On conjugacy problems for graphs and trees
Boise Set Theory and Logic Seminar, October 2019

 

Jumps of equivalence relations and scattered linear orders
CUNY set theory seminar, New York, September 2019

 

Borel morphisms between cardinal characteristics, parts 1 and 2
Boise Set Theory Seminar, April 2019

 

Introduction to continuous logic and model theory for metric structures
Boise Set Theory Seminar, March 2019

2018

On splitting families
Boise Algebra, Geometry, and Combinatorics seminar, October 2018

 

Vertex-transitive graphs and linear orders
Boise Set Theory Seminar, October 2018

 

Classification of scattered linear orders
Boise Set Theory Seminar, March 2018

 

Martin’s axiom and some applications
Boise Set Theory Seminar, January 2018

2017

Classification of countable models of PA and ZFC
Boise Set Theory Seminar, November 2017

 

Borel complexity theory and classification problems
Oregon mathematics department colloquium, Eugene, October 2017 (Eugene slides

 

Equivalence relations and classification problems, parts 1 and 2
Boise Set Theory Seminar, September 2017

2016

Borel complexity theory in mathematics
A talk for the BSU math graduate seminar, September 2016

 

On the set splittability problem
Boise Algebra, Geometry, and Combinatorics seminar, September 2016

 

Classifying automorphisms of countable trees
Boise Set Theory Seminar, September 2016

 

The complexity of classification problems
Mathematics department colloquium, Boise State University, April 2016 (Colloquium slides

 

López-Escobar’s theorem
Boise Set Theory Seminar, April 2016

 

López-Escobar’s theorem and metric structures
AMS special session on descriptive set theory and its applications, Salt Lake, April 2016 (Salt Lake slides)

2015

Set theory and classification problems
A talk for the Boise math graduate student seminar, October 2015 (notes)

 

Amalgamation properties and conjugacy
Boise Set Theory Seminar, Wednesday September 2015

 

The TVC and metric structures
Second Vaught’s conjecture workshop, Berkeley, June 2015 (Berkeley slides)

 

López-Escobar’s theorem for metric structures
Boise Set Theory Seminar, April 2015

 

Introduction to continuous logic
Boise Set Theory Seminar, March 2015

 

Conjugacy and homogeneous graphs, II
Boise Set Theory Seminar, February 2015

 

Helping students experience genuine mathematical investigations
Boise State University mathematics department, January 2015

2014

Conjugacy and homogeneous graphs
Boise Set Theory Seminar, September 2014

 

Generalized Choquet spaces
Boise extravaganza in set theory, Riverside, June 2014 (Riverside slides)

 

A longer Choquet game
Boise Set Theory Seminar, February 2014

2013

Countable abelian groups and conjugacy relations
Boise Set Theory Seminar, December 2013

 

Splitting relations
Boise Set Theory Seminar, September 2013

 

The Borel ordering on cardinal characteristics
Boise Set Theory Seminar, April 2013

 

Urysohn spaces
Boise Set Theory Seminar, February 2013

2012

Set theory and C*-algebras
Boise Set Theory Seminar, December 2012

 

Constructing automorphisms of corona algebras
ASL winter meeting, San Diego, January 2013 (ASL slides)

 

The random graph and its automorphisms
Boise Algebra, Geometry, and Combinatorics seminar, October 2012

 

The many faces of E_0
Boise Set Theory Seminar, September 2012 (notes)

 

Tukey maps between partial orders
Student Set Theory and Topology Seminar, Toronto, March 2012

2011

Cardinal characteristics and the Borel Tukey order
CMS winter meeting, Toronto, December 2011 (Toronto slides)

 

Borel morphisms and splitting families
Michigan logic seminar, Ann Arbor, November 2011

 

The Borel Tukey order on cardinal characteristics
CUNY Logic Workshop, November 2011

 

Borel equivalence relations and the conjugacy problem
Young Set Theory Workshop, Königswinter, March 2011

2010

Borel reducibility and actions of SLn(Z)
Concentration Week in Set Theory and Functional Analysis, Texas A&M, August 2010

 

Classification problems for models of arithmetic
CUNY Logic Workshop, April 2010

 

Invariant properties of equivalence relations
CUNY Logic Workshop, February 2010

2009

Borel subsets of generalized Baire space
Effective Mathematics of the Uncountable, New York, August 2009

 

Inifinite-time Turing machines and Borel reducibility
Computability in Europe, Heidelberg, July 2009 (extended abstract)

 

On dimension and Borel reducibility
Workshop on large cardinals and descriptive set theory, Vienna, June 2009 (Vienna slides)

 

Countable Borel equivalence relations
Bonn Logische Oberseminar, May 2009

 

Dimension and Borel reducibility
CUNY Logic Workshop, April 2009

 

Some countable Borel equivalence relations
MIT Logic Seminar, March 2009

2008

The set theory of classification problems
Bronx Community College mathematics seminar, December 2008

 

Countable Borel equivalence relations and torsion-free abelian groups
AMS special session on model theory and its applications, Wesleyan, October 2008 (Wesleyan slides)

 

Equivalence relations and infinite-time computable reductions
Effective Mathematics of the Uncountable, New York, August 2008

 

On the classification of torsion-free abelian groups up to isomorphism and quasi-isomorphism
Joint mathematics meetings, San Diego, January 2008 (San Diego slides)

2007

On the classification of torsion-free abelian groups
CUNY Logic Workshop, November 2007