A proof for a conjecture on the regularity of binomial edge ideals

التفاصيل البيبلوغرافية
العنوان: A proof for a conjecture on the regularity of binomial edge ideals
المؤلفون: Malayeri, M. Rouzbahani, Madani, S. Saeedi, Kiani, D.
سنة النشر: 2020
المجموعة: Mathematics
مصطلحات موضوعية: Mathematics - Commutative Algebra, Mathematics - Combinatorics
الوصف: In this paper we introduce the concept of clique disjoint edge sets in graphs. Then, for a graph $G$, we define the invariant $\eta(G)$ as the maximum size of a clique disjoint edge set in $G$. We show that the regularity of the binomial edge ideal of $G$ is bounded above by $\eta(G)$. This, in particular, settles a conjecture on the regularity of binomial edge ideals in full generality.
Comment: 8 pages, 3 figures
نوع الوثيقة: Working Paper
URL الوصول: http://arxiv.org/abs/2007.09959
رقم الأكسشن: edsarx.2007.09959
قاعدة البيانات: arXiv