Unsettled linear algebra of Fourier transforms of complex-coefficient pseudo-Gaussians UCCS algebra seminar, Colorado Springs, 2023-03-08.

A team-game characterization of Cohen forcing, University of Pittsburgh Topology Seminar, 2022-03-25.

Homeomorphism classes of hypergraph spaces, Spring Topology and Dynamical Systems Conference, 2021-05-15.

Higher-order amalgamation of algebraic structures, Part II, University of Denver algebra and logic seminar, 2019-10-25.

Higher-order amalgamation of algebraic structures, Part I, University of Denver algebra and logic seminar, 2019-10-18.

Higher-order amalgamation of algebraic structures, UCCS algebra seminar, Colorado Springs, 2018-11-07.

Between Tukey equivalence and Boolean automorphism, BLAST, University of Denver, 2018-08-06.

Pin homogeneity, Spring Topology and Dynamical Systems Conference, Auburn University, 2018-03-17.

What 2

Davies trees and a paradox in the plane (pdf, mp3), TAMIU Mathematics and Physics Colloquium, 2017-04-21.

Amalgamating many overlapping Boolean algebras, Joint Mathematics Meetings, 2017-01-06.

Higher-arity properties of inverse limit systems, Spring Topology and Dynamical Systems Conference, 2016-03-12. (See also abridged version.)

Topological applications of long ω

A locally finite characterization of AE(0) and related classes of compacta, Spring Topology and Dynamical Systems Conference, 2014-03-13.

On cofinal types in compacta: cubes, squares, and forbidden rectangles, Toronto Set Theory Seminar, 2011-10-21.

Box products and singular cardinals, BLAST, Lawrence, KS, 6/1/2011.

Order types of bases in box products, ω

The (lambda, kappa)-FN and the order theory of bases in boolean algebras, BLAST, Boulder, CO, 2010-06-02.

Order properties of bases in products, Spring Topology and Dynamical Systems Conference, 2010-03-20.

On the order theory of local bases, Toronto Set Theory Seminar, 2010-02-12.

Thesis defense, University of Wisconsin-Madison, 2009-05-12.

Thesis overview for a general mathematical audience.

Two spectra of Noetherian types, Spring Topology and Dynamical Systems Conference, 2009-03-08.

Applications of ω

Diamond and ultrafilters, Spring Topology and Dynamical Systems Conference, 2008-03-14.

Noetherian types of ultrafilters on ω, Graduate Student Conference in Logic, 2007-04-28.

Noetherian types of homogeneous compacta, Spring Topology and Dynamical Systems Conference, 2007-03-30.

Tukey classes of local bases in compacta, Boise Extravaganza in Set Theory, 2007-03-25.

Reflecting cones on boolean algebras, Greater Boston Logic Conference, 2006-05-13.

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