All presentations

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 $SL_n(\mathbb Z)$
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