We construct a smooth locally finite Borel graph $G$ and a local coloring problem $Π$ such that $G$ has a coloring $V(G) \to \mathbb{N}$ that solves $Π$, but no such coloring can be Borel.
此内容由惯性聚合(RSS阅读器)自动聚合整理,仅供阅读参考。 原文来自 — 版权归原作者所有。