On Seymour's and Sullivan's Second Neighbourhood Conjectures
[Submitted on 6 Jun 2023 (v1), last revised 15 Jul 2026 (this ve
·
2023-06-06
·
via math.CO updates on arXiv.org
arXiv:2306.03493v2 Announce Type: replace Abstract: For a vertex $x$ of a digraph, $d^+(x)$ ($d^-(x)$, resp.)…
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。