Free abelian group actions on normal projective varieties: sub-maximal dynamical rank case

發布者:文明辦作者:發布時間:2019-06-17瀏覽次數:772


主講人:李思辰 新加坡國立大學


時間:2019年6月21日10:00


地點:3號樓301


舉辦單位:數理學院


內容介紹:Let X be a normal projective variety of dimension n≥3 and G an abelian subgroup  of Aut(X) such that all elements of G\{id} are of positive entropy. Dinh and  Sibony proved that G is a free abelian group with rank(G)≤ n-1. The maximal rank  case has been well understood by Zhang. We characterize the pair (X, G) such  that rank(G) = n-2. This is based on joint work with Fei Hu.

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