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 2

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 omega

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 omega

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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