论文标题

MSO对遗传性阶级无限元的不可证明

MSO Undecidability for Hereditary Classes of Unbounded Clique-Width

论文作者

Dawar, Anuj, Sankaran, Abhisekh

论文摘要

塞斯对有限图的猜想指出,在所有无界的集团宽度的所有图类别上都无法确定Monadic二阶逻辑(MSO)。我们表明,要确定这一点足以证明,可以在两个绘图类别中解释无限尺寸的网格:最小的遗传阶层,无限的集团较大范围;以及在诱导子图之间的无界集团宽度的抗小节。我们探索了前一种类别的所有当前知名类别,并确定在其中确实可以解释无限尺寸的网格。

Seese's conjecture for finite graphs states that monadic second-order logic (MSO) is undecidable on all graph classes of unbounded clique-width. We show that to establish this it would suffice to show that grids of unbounded size can be interpreted in two families of graph classes: minimal hereditary classes of unbounded clique-width; and antichains of unbounded clique-width under the induced subgraph relation. We explore all the currently known classes of the former category and establish that grids of unbounded size can indeed be interpreted in them.

扫码加入交流群

加入微信交流群

微信交流群二维码

扫码加入学术交流群,获取更多资源