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Exact dimension of Furstenberg measures
Geometric and Functional Analysis ( IF 2.2 ) Pub Date : 2023-02-01 , DOI: 10.1007/s00039-023-00631-0 François Ledrappier , Pablo Lessa
中文翻译:
Furstenberg 措施的精确维度
更新日期:2023-02-02
Geometric and Functional Analysis ( IF 2.2 ) Pub Date : 2023-02-01 , DOI: 10.1007/s00039-023-00631-0 François Ledrappier , Pablo Lessa
For a probability measure \( \mu \) on \( SL_d({\mathbb {R}}) \), we consider the Furstenberg stationary measure \( \nu \) on the space of flags. Under general non-degeneracy conditions, if \( \mu \) is discrete and if \( \sum _g \log \Vert g\Vert \, \mu (g) < + \infty \), then the measure \( \nu \) is exact-dimensional.
中文翻译:
Furstenberg 措施的精确维度
对于SL_d({\mathbb {R}}) \ )上的概率测度\( \mu \ ) ,我们考虑标志空间上的 Furstenberg 平稳测度\( \nu \) 。在一般非退化条件下,如果\( \mu \)是离散的并且如果\( \sum _g \log \Vert g\Vert \, \mu (g) < + \infty \),则测度\( \ nu \)是精确维度的。