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- Wai Chee Shiu, Pak Kiu Sun
- Discrete Mathematics
- 2008

- Qiong Wu, Wai Chee Shiu, Pak Kiu Sun
- J. Comb. Optim.
- 2016

- Hong-yu. Chen, Xue-Gang Chen, Wai Chee Shiu, Pak Kiu Sun
- Discussiones Mathematicae Graph Theory
- 2012

Let G = (V,E) be a graph. A total restrained dominating set is a set S ⊆ V where every vertex in V \ S is adjacent to a vertex in S as well as to another vertex in V \S, and every vertex in S is adjacent to another vertex in S. The total restrained domination number of G, denoted by γ r (G), is the smallest cardinality of a total restrained dominating set… (More)

- Wai Hong Chan, Wai Chee Shiu, Pak Kiu Sun, Xuding Zhu
- Discrete Mathematics
- 2013

- Qiong Wu, Wai Chee Shiu, Pak Kiu Sun
- J. Comb. Optim.
- 2014

- Dong Chen, Wai Chee Shiu, Qiaojun Shu, Pak Kiu Sun, Wei-Fan Wang
- Discrete Applied Mathematics
- 2015

- Pak Kiu Sun, Wai Chee Shiu
- Australasian J. Combinatorics
- 2012

Two inequalities are established connecting the graph invariants of incidence chromatic number, star arboricity and domination number. Using these, upper and lower bounds are deduced for the incidence chromatic number of a graph and further reductions are made to the upper bound for a planar graph. It is shown that cubic graphs with orders not divisible by… (More)

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