A new sufficient condition for a tree T to have the (2, 1)-total number $$\Delta +1$$ Δ + 1
Crossref DOI link: https://doi.org/10.1007/s10878-016-0021-0
Published Online: 2016-04-30
Published Print: 2017-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Shu, Qiaojun
Wang, Weifan
Wang, Yiqiao
Funding for this research was provided by:
ZJNSFC (LQ15A010010)
NSFC (11071223, 11301035)
Text and Data Mining valid from 2016-04-30