Lower bounds on the dimension of the Rauzy gasket
英文摘要：
The Rauzy gasket $R$ is the maximal invariant set of a certain renormalization procedure for special systems of isometries naturally appearing in the context of Novikov's problem in conductivity theory for monocrystals. It was conjectured by Novikov and Maltsev in 2003 that the Hausdorff dimension $\dim_{\mathrm{H}}(R)$ of Rauzy gasket is strictly comprised between $1$ and $2$. In 2016, Avila, Hubert and Skripchenko confirmed that $\dim_{\mathrm{H}}(R)<2$. In this note, we use some results by Cao--Pesin--Zhao in order to show that $\dim_{\mathrm{H}}(R)>1.19$.
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