51 citations · 428 across the 69 of their papers we have counts for
Showing math.COShow all
2 papers · 1 filter
math.CO2015
Khovanov-Rozansky homology and Directed Cycles
Hao Wu
We determine the cycle packing number of a directed graph using elementary projective algebraic geometry. Our idea is rooted in the Khovanov-Rozansky theory. In fact, using the Kho…
math.CO2012
The extremal genus embedding of graphs
Guanghua Dong, Han Ren, Ning Wang +1
Let Wn be a wheel graph with n spokes. How does the genus change if adding a degree-3 vertex v, which is not in V (Wn), to the graph Wn? In this paper, through the joint-tree model…