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论单调递减迭代根的存在性(英文) 被引量:1
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作者 刘新和 《中山大学研究生学刊(自然科学与医学版)》 1998年第1期6-10,共5页
设I=[0,1],0<a<b<1,记φ_(ab)≡{F∈C^0(1):F|[0,a]和F|[b,1]严格单调递增且F在[a,b]恒取常值}。记F_(ab)={F∈φ_(ab):Fix(F)∩[(0,a)∪(b,1)]=φ)。本文讨论了F∈φ_(ab)\F_(ab)有单调递减迭代根的充要条件。
关键词 迭代根 连续自映射 不动点 1991(AMS)58f08 39B22 39B10
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A class of primitive substitutions and scrambled sets 被引量:7
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作者 LIAO GongFu FAN QinJie WANG LiDong 《Science China Mathematics》 SCIE 2008年第3期369-375,共7页
Consider the subshifts induced by constant-length primitive substitutions on two symbols. By investigating the equivalent version for the existence of Li-Yorke scrambled sets and by proving the non-existence of Schwei... Consider the subshifts induced by constant-length primitive substitutions on two symbols. By investigating the equivalent version for the existence of Li-Yorke scrambled sets and by proving the non-existence of Schweizer-Smítal scrambled sets, we completely reveal for this class of subshifts the chaotic behaviors possibly occurring in the sense of Li-Yorke and Schweizer-Smítal. 展开更多
关键词 primitive substitution SUBSHIFT Li-Yorke scrambled set Schweizer-Smítal scrambled set 54H20 58F03 58f08
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