Семінар лабораторії топології Інституту математики НАН України
Organiser: С. І. Максименко
Location: Інститут математики НАН України, 208 або 305, 14:00
Location: Інститут математики НАН України, 208 або 305, 14:00
| Date | Seminar |
|---|---|
| 10, December 2024 16:00 Tuesday | Unneccessarily sophisticated proofs that the trefoil is non-trivial. Budney Ryan (University of Victoria, Canada) Резюме: Abstract: I will describe a sequence of closely-related but increasingly-sophisticated proofs of the non-triviality of the trefoil knot. In the end we conclude the mapping-class group of a 4-manifold is non-trivial. |