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arXiv 1702.04839math.DSmath.MGmath.NT
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Delone集逼近的一个测度论结果

A measure theoretic result for approximation by Delone sets

Michael Baake, Alan Haynes

摘要:

为了建立Delone集的测度论逼近性质,我们研究了沿指数序列平均殆周期函数问题中自然产生的一个设置.在这种情况下,我们建立一个完整的逆Borel-Cantelli引理。这提供了丢番图逼近度量理论中更经典问题的模拟,但到最近整数函数的距离被到任意德隆集的距离取代。

英文摘要:

With a view to establishing measure theoretic approximation properties of Delone sets, we study a setup which arises naturally in the problem of averaging almost periodic functions along exponential sequences. In this setting, we establish a full converse of the Borel-Cantelli lemma. This provides an analogue of more classical problems in the metric theory of Diophantine approximation, but with the distance to the nearest integer function replaced by distance to an arbitrary Delone set.

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