Higher-order amalgamation of algebraic structures, UCCS algebra seminar, Colorado Springs, 11/7/2018.
Between Tukey equivalence and Boolean automorphism, BLAST, University of Denver, 8/6/2018.
Pin homogeneity, Spring Topology and Dynamics Conference, Auburn University, 3/17/2018.
What 2ω2 taught me about 22 (slides, video (1, 2)), Special Conference in Set-Theoretic Topology, Auburn University, 10/22/2017.
Davies trees and a paradox in the plane (pdf, mp3), TAMIU Mathematics and Physics Colloquium, 4/21/2017.
Amalgamating many overlapping Boolean algebras, Joint Mathematics Meetings, 1/6/2017.
Higher-arity properties of inverse limit systems, Spring Topology and Dynamics Conference, 3/12/2016. (See also abridged version.)
Topological applications of long omega1-approximation sequences,
Winter School in Abstract Analysis,
Set Theory & Topology section, Feb. 4--6, 2015.
A locally finite characterization of AE(0) and related classes of compacta, Spring Topology and Dynamics Conference, 3/13/2014.
On cofinal types in compacta: cubes, squares, and forbidden rectangles, Toronto Set Theory Seminar, 10/21/2011.
Box products and singular cardinals, BLAST, Lawrence, KS, 6/1/2011.
Order types of bases in box products, omega*, and
homogeneous compacta, Spring Topology and Dynamics Conference, 3/18/2011.
The (lambda, kappa)-FN and the order theory of bases in
boolean algebras, BLAST, Boulder, CO, 6/2/2010.
Order properties of bases in products, Spring Topology and Dynamics Conference, 3/20/2010.
On the order theory of local bases, Toronto Set Theory Seminar, 2/12/2010.
Thesis defense, University of Wisconsin-Madison, 5/12/2009.
Thesis overview for a general mathematical audience.
Two spectra of Noetherian types, Spring Topology and Dynamics Conference, 3/8/2009.
Applications of omega1-approximation systems, Boise Extravaganza in Set Theory, 3/28/2008.
Diamond and ultrafilters, Spring Topology and Dynamics Conference, 3/14/2008.
Noetherian types of ultrafilters on omega,
Graduate Student Conference in Logic, 4/28/2007.
Noetherian types of homogeneous compacta, Spring Topology and Dynamics Conference, 3/30/2007.
Tukey classes of local bases in compacta, Boise Extravaganza in Set Theory, 3/25/2007
Reflecting cones on boolean algebras, Greater Boston Logic Conference, 5/13/2006
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