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A large plane set intersecting lines in infinitely many directions in at most one point
Proceedings of the American Mathematical Society ( IF 0.8 ) Pub Date : 2021-01-22 , DOI: 10.1090/proc/15341
Vladimir Eiderman , Michael Larsen

Abstract:We prove that for every at most countable family $ \{f_k(x)\}$ of real functions on $ [0,1)$ there is a single-valued real function $ F(x)$, $ x\in [0,1)$, such that the Hausdorff dimension of the graph $ \Gamma $ of $ F(x)$ equals 2, and for every $ C\in \mathbb{R}$ and every $ k$, the intersection of $ \Gamma $ with the graph of the function $ f_k(x)+C$ consists of at most one point. We also construct a family of functions of cardinality continuum and a function $ F$ with similar properties.


中文翻译:

大型平面最多在一个点上以无限多个方向设置相交线

摘要:证明了对每一个至多可数的家庭的实际功能上有一个单值实函数,例如该图形的维数的等于2,并为每一位,相交,并且在图表该功能最多包含一个点。我们还构造了一个基数连续函数和具有相似属性的函数。 $ \ {f_k(x)\} $$ [0,1)$$ F(x)$ $ x \ in [0,1)$$ \伽玛$$ F(x)$ $ C \ in \ mathbb {R} $$ k $$ \伽玛$$ f_k(x)+ C $$ F $
更新日期:2021-02-08
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