There may be exactly n Q-points, with Lorenz Halbeisen and Silvan Horvath, (2025). Preprint, submitted. arXiv:2507.15123.
Initial Tukey structure below a stable ordered-union ultrafilter, (2024). Preprint, submitted. arXiv:2410.04326.
Initial Tukey structure below a stable ordered-union ultrafilter, talk given at:
2025 North American Meeting of the ASL (Contributed Talk, Spring 2025),
Rutgers Logic Seminar (Spring 2025),
Notre Dame Logic Seminar (Fall 2024).
Here are the slides for my 2025 North American ASL meeting contributed talk: Slides.