A very gentle introduction to the second higher homotopy group of the 2-sphere, plus some digital topology.
The paper is: "A Second Homotopy Group for Digital Images" by Gregory Lupton, Oleg Musin, Nicholas A. Scoville, P. Christopher Staecker, Jonathan Treviño-Marroquín, at arxiv here: arxiv.org/abs/2310.08706
Talk given at the Fairfield University math department research seminar, Nov 17, 2023.
Негізгі бет The second homotopy group of the sphere: π₂(S²) in classical and digital topology
Пікірлер: 36