%0 Journal Article
%T 线段自映射周期点集闭性蕴含拓扑熵为零
%A 周作领
%J 科学通报
%D 1982
%I 
%X 设,用P(f)和ent(f)分别表示,的周期点集和拓扑熵。Block和作者曾经得到两个ent(f)=0的充分条件,最近,作者证明了一个更好的结果,叙述如下。定理 设,则蕴含
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=7C7E63796F062382A606A3A9833B8C05&jid=B40D4BA57FF46E45205A09B4DC283152&aid=D0BFC0C80CB13A170F09D4C4F8271EBD&yid=3F3D540C9B7906DE&vid=DB817633AA4F79B9&iid=E158A972A605785F&sid=82722E2B785EBF0D&eid=82722E2B785EBF0D&journal_id=0023-074X&journal_name=科学通报&referenced_num=0&reference_num=0