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XILIFENG 《高校应用数学学报(英文版)》1998,13(2):231-240
In this paper the derivative and its exceptional set according to the alternatively jumping function and self-similar function respectively are discussed. And in the appendix, a proof of the statement 1.2(2) of “Calculus on Cantor triadic set (Ⅱ)—derivative” which is important to the discussion of exceptional set is given. 相似文献
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奚李峰 《高校应用数学学报(A辑)》2000,15(4):389-391
在作者本人提出的交错跳跃函数及其Cantor型导数的基础上,得到不存在Cantor型导数的点的全体(即例外集)的Hausdorff维数。 相似文献
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FENGJINGHAI 《高校应用数学学报(英文版)》1997,12(3):363-370
In this paper, we will discuss the constructiOn problems about the invariant sets and invariant measures of continues maps~ which map complexes into themselves, using simplical approximation and Markov cbeirs. In [7], the author defined a matrix by using r-normal subdivi of the w,dimensional unit cube, considered it a Markov matrix, and constructed the invariantset and invafiant measure, In fact, the matrix he defined is not Markov matrix generally. So wewill give [7] and amendment in the last pert of this paper. We also construct an invariant set thatis the chain-recurrent set of the map by means of a non-negative matrix which only depends on themap. At hst, we will prove the higher dimension?Banach variation formuls that can simplify thetransition matrix. 相似文献
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奚李峰 《高校应用数学学报(A辑)》1994,(1):84-89
称f:U→E为向量值解析函数(这里U为复平面上开集,E为复Banach空间),如果对于任意的E对偶空间中的元素有f为复值解析函数[1].单复变中最大模原理指出:在内点达到最大模的解析函数,必为常值映射。该相应结论在向量值解析函数中不成立[1],所以有必要研究模恒为1的并非常值的向量值解析函数。为此,作者引进了Banach空间单位球面上三种等价关系,利用它们等价类为凸集的性质,以及它们与模恒为1的向量值解析函数的关系,导出一系列结论。其中较有趣的是:f:U→E为模恒为1的并非常值的向量值解析函数,且f(U)E的有限维子空间,则存在e0,e∈E-{θ}(θ为E的零元),使得‖e0+ze1‖=1,|z|<1。 相似文献
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利用符号动力系统中关于有限型子转移的若干深刻结果,得到结论:有限个元素的Γ-环-定存在强诣零根.此外还有比这稍强的结论. 相似文献
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