论文标题
Sigma-Continition与封闭的证人
Sigma-continuity with closed witnesses
论文作者
论文摘要
我们使用$ \ mathbb {g} _0 $二分法的变体来建立Solecki的基础定理,用于baire-class One功能家族的基础定理,这些功能不是与封闭的证人相关的$σ$。
We use variants of the $\mathbb{G}_0$ dichotomy to establish a refinement of Solecki's basis theorem for the family of Baire-class one functions which are not $σ$-continuous with closed witnesses.