A remark on dynamical degrees of automorphisms of hyperkähler manifolds

摘要

We describe all the dynamical degrees of automorphisms of hyperkähler manifolds in terms of the first dynamical degree. We also present two explicit examples of different geometric flavours. Mathematics Subject Classification (2000) 14J50 (14J28 14J40 37B40 53C26) To the memory of Professor Masayoshi Nagata