2 papers
math.CO2025
A note on two cycles of consecutive even lengths in graphs
Binlong Li, Yufeng Pan, Lingjuan Shi
Bondy and Vince proved that a graph of minimum degree at least three contains two cycles whose lengths differ by one or two, which was conjectured by ErdÅs. Gao, Li, Ma and Xie ga…
math.CO2025
On graphs without cycles of length 1 modulo 3
Yandong Bai, Binlong Li, Yufeng Pan +1
Burr and ErdÅs conjectured in 1976 that for every two integers satisfying that contains an even integer, an -vertex graph containing no c…