Binding numbers for fractional (a, b, k)-critical covered graphs

被引：0

作者：

Zhou, Sizhong ^{[1
]}

Liu, Hongxia ^{[2
]}

Xu, Yang ^{[3
]}

机构：

[1] Jiangsu Univ Sci & Technol, Sch Sci, Mengxi Rd 2, Zhenjiang 212003, Jiangsu, Peoples R China

[2] Yantai Univ, Sch Math & Informat Sci, Yantai 264005, Shandong, Peoples R China

[3] Qingdao Agr Univ, Dept Math, Qingdao 266109, Shandong, Peoples R China

来源：

PROCEEDINGS OF THE ROMANIAN ACADEMY SERIES A-MATHEMATICS PHYSICS TECHNICAL SCIENCES INFORMATION SCIENCE | 2020年 / 21卷 / 02期

关键词：

graph; binding number; fractional; a; b; -factor; b]-covered graph; (a; k)-critical covered graph; ORTHOGONAL FACTORIZATIONS; TOUGHNESS CONDITION; (G; (K;

D O I：

暂无

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A graph G is said to be fractional (a, b, k)-critical covered if after deleting any k vertices of G, the remaining graph of G is fractional [a, b]-covered. In this article, we gain a binding number condition for a graph to be fractional (a,b,k)-critical covered, which is an improvement and extension of Yuan and Hao's previous result [Y. Yuan and R. Hao, Neighborhood union conditions for fractional [a, b]-covered graphs, Bull. Malays. Math. Sci. Soc., http s://doi.org/10.1007/s40840-018-0669-y, in press].

引用

页码：115 / 121

页数：7

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