当前位置:
X-MOL 学术
›
Mathematics
›
论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
A Note on the Paired-Domination Subdivision Number of Trees
Mathematics ( IF 2.4 ) Pub Date : 2021-01-18 , DOI: 10.3390/math9020181 Xiaoli Qiang , Saeed Kosari , Zehui Shao , Seyed Mahmoud Sheikholeslami , Mustapha Chellali , Hossein Karami
Mathematics ( IF 2.4 ) Pub Date : 2021-01-18 , DOI: 10.3390/math9020181 Xiaoli Qiang , Saeed Kosari , Zehui Shao , Seyed Mahmoud Sheikholeslami , Mustapha Chellali , Hossein Karami
For a graph G with no isolated vertex, let and denote the paired-domination and paired-domination subdivision numbers, respectively. In this note, we show that if T is a tree of order different from a healthy spider (subdivided star), then improving the -upper bound that was recently proven.
中文翻译:
关于树木成对支配细分数的注记
对于没有孤立顶点的图G,让 和 分别表示成对支配和成对支配细分数。在此注释中,我们表明如果T是阶数树 与健康的蜘蛛(细分的恒星)不同,然后 改善 -最近证明的上限。
更新日期:2021-01-18
中文翻译:
关于树木成对支配细分数的注记
对于没有孤立顶点的图G,让