Yan Yang

activity

20122022

most citedUpper bounds on the signed edge domination number of a graph

3 citations · 5 across the 10 of their papers we have counts for

collaborators

Showing 2021Show all

2 papers · 1 filter

math.CO2021

Some new results on bar visibility of digraphs

Yuanrui Feng, Jun Ge, Douglas B. West +1

Visibility representation of digraphs was introduced by Axenovich, Beveridge, Hutch\-inson, and West (\emph{SIAM J. Discrete Math.} {\bf 27}(3) (2013) 1429--1449) as a natural gene…

math.CO2021

DP color functions versus chromatic polynomials

Fengming Dong, Yan Yang

For any graph $G$ , the chromatic polynomial of $G$ is the function $P (G, m)$ which counts the number of proper $m$ -colorings of $G$ for each positive integer $m$ . The DP color funct…