# All presenetationss

# All presentations

*2023*-
Conjugacy, classification, and complexity

Two-Day Logic Meeting, Bristol, July 2023 -
Borel classification of conjugacy problems

Nankai Logic Colloquium, Nankai, March 2023 *2022*-
Jumps in the Borel complexity hierarchy

Bristol Logic and Set Theory Seminar, Bristol, November 2022 *2021*-
Jumps in the Borel complexity hierarchy

Caltech Logic Seminar, Pasadena, September 2021 -
Borel complexity theory - Classification and structure

Boise Mathematics Colloquium, Boise, September 2021 *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, New York, September 2020 -
Jumps and the classification of scattered linear orders

SEALS Conference, Gainesville, February 2020 *2019*-
Locally finite groups and automorphisms

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

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

Boise Set Theory Seminar, Boise, March 2019 *2018*-
On splitting families

Boise Algebra, Geometry, and Combinatorics Seminar, Boise, October 2018 -
Vertex-transitive graphs and linear orders

Boise Set Theory Seminar, Boise, October 2018 -
Classification of scattered linear orders

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

Boise Set Theory Seminar, Boise, January 2018 *2017*-
Classification of countable models of PA and ZFC

Boise Set Theory Seminar, Boise, November 2017 -
Borel complexity theory and classification problems

Oregon Mathematics Colloquium, Eugene, October 2017 -
Equivalence relations and classification problems, parts 1 and 2

Boise Set Theory Seminar, Boise, September 2017 *2016*-
Borel complexity theory in mathematics

Boise Math Graduate Seminar, Boise, September 2016 -
On the set splittability problem

Boise Algebra, Geometry, and Combinatorics Seminar, Boise, September 2016 -
Classifying automorphisms of countable trees

Boise Set Theory Seminar, Boise, September 2016 -
The complexity of classification problems

Boise Mathematics Colloquium, Boise, April 2016 -
López-Escobar’s theorem

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

AMS Special Session on Descriptive Set Theory and its Applications, Salt Lake, April 2016 *2015*-
Set theory and classification problems

Boise Math Graduate Seminar, Boise, October 2015 -
Amalgamation properties and conjugacy

Boise Set Theory Seminar, Boise, September 2015 -
The TVC and metric structures

Second Vaught’s Conjecture Workshop, Berkeley, June 2015 -
López-Escobar’s theorem for metric structures

Boise Set Theory Seminar, Boise, April 2015 -
Introduction to continuous logic

Boise Set Theory Seminar, Boise, March 2015 -
Conjugacy and homogeneous graphs, II

Boise Set Theory Seminar, Boise, February 2015 -
Helping students experience genuine mathematical investigations

Boise Mathematics Teaching Talks, Boise, January 2015 *2014*-
Conjugacy and homogeneous graphs

Boise Set Theory Seminar, Boise, September 2014 -
Generalized Choquet spaces

Boise Extravaganza in Set Theory, Riverside, June 2014 -
A longer Choquet game

Boise Set Theory Seminar, Boise, February 2014 *2013*-
Countable abelian groups and conjugacy relations

Boise Set Theory Seminar, Boise, December 2013 -
Splitting relations

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

Boise Set Theory Seminar, Boise, April 2013 -
Urysohn spaces

Boise Set Theory Seminar, Boise, February 2013 *2012*-
Set theory and C*-algebras

Boise Set Theory Seminar, Boise, December 2012 -
Constructing automorphisms of corona algebras

ASL Winter Meeting, San Diego, January 2013 -
The random graph and its automorphisms

Boise Algebra, Geometry, and Combinatorics Seminar, Boise, October 2012 -
The many faces of E_0

Boise Set Theory Seminar, Boise, September 2012 -
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 -
Borel morphisms and splitting families

Michigan Logic Seminar, Ann Arbor, November 2011 -
The Borel Tukey order on cardinal characteristics

CUNY Logic Workshop, New York, 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, College Station, August 2010 -
Classification problems for models of arithmetic

CUNY Logic Workshop, New York, April 2010 -
Invariant properties of equivalence relations

CUNY Logic Workshop, New York, 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 -
On dimension and Borel reducibility

Workshop on Large Cardinals and Descriptive Set Theory, Vienna, June 2009 -
Countable Borel equivalence relations

Bonn Logic Seminar, Bonn, May 2009 -
Dimension and Borel reducibility

CUNY Logic Workshop, New York, April 2009 -
Some countable Borel equivalence relations

MIT Logic Seminar, Boston, March 2009 *2008*-
The set theory of classification problems

Bronx Community College Mathematics Seminar, New York, December 2008 -
Countable Borel equivalence relations and torsion-free abelian groups

AMS Special Session on Model Theory and its Applications, Middletown, October 2008 -
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 *2007*-
On the classification of torsion-free abelian groups

CUNY Logic Workshop, New York, November 2007