15 citations · 16 across the 2 of their papers we have counts for
2 papers
math.CO2017★ 1 cited
On the anti-Kelulé problem of cubic graphs
Qiuli Li, Wai Chee Shiu, Pak Kiu Sun +1
An edge set of a connected graph is called an anti-Kekulé set if is connected and has no perfect matchings, where denotes the subgraph obtained by deleting all…
math.CO2012★ 15 cited
A relation between Clar covering polynomial and cube polynomial
Heping Zhang, Wai-Chee Shiu, Pak-Kiu Sun
The Clar covering polynomial (also called Zhang-Zhang polynomial in some chemical literature) of a hexagonal system is a counting polynomial for some types of resonant structures c…