All presenetationss
All presentations
- 2023
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Borel classification of conjugacy problems
Nankai Logic Colloquium, March 2023 - 2022
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Jumps in the Borel complexity hierarchy
Bristol Logic and Set Theory Seminar, November 2022 - 2021
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Jumps in the Borel complexity hierarchy
Caltech Logic Seminar, Pasadena, September 2021 -
Borel complexity theory - Classification and structure
Mathematics department colloquium, Boise State University, September 2021 - 2020
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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 - 2019
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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
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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
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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 -
Equivalence relations and classification problems, parts 1 and 2
Boise Set Theory Seminar, September 2017 - 2016
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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 -
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 - 2015
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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 -
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
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Conjugacy and homogeneous graphs
Boise Set Theory Seminar, September 2014 -
Generalized Choquet spaces
Boise extravaganza in set theory, Riverside, June 2014 -
A longer Choquet game
Boise Set Theory Seminar, February 2014 - 2013
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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
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Set theory and C*-algebras
Boise Set Theory Seminar, 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, 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
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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, November 2011 -
Borel equivalence relations and the conjugacy problem
Young Set Theory Workshop, Königswinter, March 2011 - 2010
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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
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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 -
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
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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 -
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
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On the classification of torsion-free abelian groups
CUNY Logic Workshop, November 2007