© Instytut Matematyczny PAN, 2008. The aim of this paper is to describe the set of periods of a Morse-Smale diffeomorphism of the two-dimensional sphere according to its homotopy class. The main tool for proving this is the Lefschetz fixed point theory.
- Lefschetz fixed point theorem
- Morse-Smale diffeomorphism
- Set of periods
- Zeta function