Some theorems related to a problem of Ruziewicz
Jan Mycielski, Grzegorz Tomkowicz · Bulletin of the Polish Academy of Sciences Mathematics · 2024
We apply deep results of Dougherty and Foreman and of Drinfeld and Margulis to give a very simple proof of the following theorem. Let $\mathbf B$ be the Boolean ring of Lebesgue measurable sets with the property of Baire in the sphere $\mathbf S^n$ or bou