Logic Seminar
Clinton Conley
Carnegie Mellon University
Dividing the sphere by rotations (CANCELED)
Abstract: We say that a subset A of the sphere r-divides it if r-many rotations
of A perfectly tile the sphere's surface. Such divisions were first
exhibited by Robinson ('47) and developed by Mycielski ('55). We
discuss a colorful approach to finding these divisions which are
Lebesgue measurable or possess the property of Baire. This includes
joint work with J. Grebik, A. Marks, O. Pikhurko, and S. Unger.
Tuesday October 12, 2021 at 4:00 PM in 636 SEO