# All presenetationss

# All presentations

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 (slides)

Equivalence relations and classification problems, parts 1 and 2

Boise Set Theory Seminar, September 2017

Borel complexity theory in mathematics

A talk for the BSU math graduate seminar, September 2016

On the set splittability problem

A talk for the Boise math department’s Algebra, Geometry and Cryptography 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 (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 (slides)

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 2, 2015

The TVC and metric structures

Second Vaught’s conjecture workshop, Berkeley, June 2015 (slides)

López-Escobar’s theorem for metric structures

Boise Set Theory Seminar, April 8 from 3 to 4pm

Introduction to continuous logic

Boise Set Theory Seminar, March 4 from 3 to 4pm

Conjugacy and homogeneous graphs, II

Boise Set Theory Seminar, February 4, 2015

Helping students experience genuine mathematical investigations

Boise State University mathematics department, January 22, 2015

Conjugacy and homogeneous graphs

Boise Set Theory Seminar, September 3, 2014

Generalized Choquet spaces

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

A longer Choquet game

Boise Set Theory Seminar, February 11, 2014

Countable abelian groups and conjugacy relations

Boise Set Theory Seminar, December 9, 2013.

Splitting relations

Boise Set Theory Seminar, September 30, 2013

The Borel ordering on cardinal characteristics

Boise Set Theory Seminar, April 4, 2013

Urysohn spaces

Boise Set Theory Seminar, February 28, 2013

Set theory and C*-algebras

Boise Set Theory Seminar, December 3, 2012

Constructing automorphisms of corona algebras

ASL winter meeting, San Diego, January 2013 (slides)

The random graph and its automorphisms

Boise Algebra, Geometry and Combinatorics seminar, October 23, 2012

The many faces of E_0

Boise Set Theory Seminar, September 10, 2012 (notes)

Tukey maps between partial orders

Student Set Theory and Topology Seminar, Toronto, March 29, 2012

Cardinal characteristics and the Borel Tukey order

CMS winter meeting, Toronto, December 2011 (slides)

Borel morphisms and splitting families

Michigan logic seminar, Ann Arbor, November 2011 (video)

The Borel Tukey order on cardinal characteristics

CUNY Logic Workshop, November 4, 2011

Borel equivalence relations and the conjugacy problem

Young Set Theory Workshop, Königswinter, March 2011

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

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, July 2009 (extended abstract)

On dimension and Borel reducibility

Workshop on large cardinals and descriptive set theory, Vienna, June 2009 (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

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 (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 (slides)

On the classification of torsion-free abelian groups

CUNY Logic Workshop, November 2007