4 citations · 6 across the 3 of their papers we have counts for
3 papers
math.CO2021
Refined Eulerian numbers and ballot permutations
Tongyuan Zhao, Yue Sun, Feng Zhao
A ballot permutation is a permutation π such that in any prefix of π the descent number is not more than the ascent number. In this article, we obtained a formula in close form for…
math.CO2016★ 2 cited
Asymptotics of Ramsey numbers of double stars
Sergey Norin, Yue Ru Sun, Yi Zhao
A double star is the graph obtained by joining the center of a star with leaves to a center of a star with leaves by an edge. Let denote the Ramsey num…
math.CO2016★ 4 cited
Triangle-independent sets vs. cuts
Sergey Norin, Yue Ru Sun
A set of edges in a graph is triangle-independent if contains at most one edge from each triangle in . Let denote the maximum size of the triangle-independe…