1. Aperiodic order;Baake,2013
2. Rigidity and non-recurrence along sequences;Bergelson;Ergodic Theory Dynam. Syst.,2014
3. Vitaly Bergelson, Tom Ward, Private communication.
4. An Introduction to Riemanian Manifolds and Differential Geometry;Boothby,1975
5. Expansive subdynamics;Boyle;Trans. Amer. Math. Soc.,1997