Winning property of badly approximable points on curves
In this paper we prove that badly approximable points on any analytic non-degenerate curve in $\mathbb{R}^n$ is an absolute winning set. This confirms a key conjecture in the area stated by Badziahin and Velani (2014) which represents a far-reaching generalisation of Davenport's problem from th...
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Zusammenfassung: | In this paper we prove that badly approximable points on any analytic
non-degenerate curve in $\mathbb{R}^n$ is an absolute winning set. This
confirms a key conjecture in the area stated by Badziahin and Velani (2014)
which represents a far-reaching generalisation of Davenport's problem from the
1960s. Amongst various consequences of our main result is a solution to
Bugeaud's problem on real numbers badly approximable by algebraic numbers of
arbitrary degree. The proof relies on new ideas from fractal geometry and
homogeneous dynamics. |
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DOI: | 10.48550/arxiv.2005.02128 |