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arXiv 1002.3081math.OAmath.KT
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谱三元组与分形几何

Spectral triples and the geometry of fractals

Erik Christensen, Cristina Ivan, Elmar Schrohe

摘要:

对于每个K-齐次元素的Sierpinski垫片,我们构造一个谱三元组,将产生该元素。我们表明,必须有一定的限制的K-同源元素的选择,如果垫圈的几何性质应恢复从光谱三重。对于K-同调群的一个大子群,我们证明了我们的谱三元组将恢复gaket上的度量、维数和Hausdorff测度。

英文摘要:

For each K-homolgy element of the Sierpinski gasket we construct a spectral triple which will generate that element. We show that there must be certain limits on the choice of the K-homology element if the geometric properties of the gasket shall be recoverable from that spectral triple. For a big subgroup of the K-homology group we show that our spectral triples will recover the metric, the dimension and the Hausdorff measure on the gaket.

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