2 citations · 4 across the 3 of their papers we have counts for
3 papers
math.CO2014★ 2 cited
Turán's Problem for Trees
Zhi-Hong Sun, Lin-Lin Wang
For a forbidden graph , let denote the maximal number of edges in a simple graph of order not containing . Let denote the unique tree on vertices with…
math.CO2011★ 2 cited
Turán's problem and Ramsey numbers for trees
Zhi-Hong Sun, Lin-Lin Wang, Yi-Li Wu
Let and be the trees on vertices with , , and $E_2…
math.NT2010
An extension of Stern's congruence
Zhi-Hong Sun, Lin-Lin Wang
Let be the Euler numbers. In the paper we determine modulo , where and are positive integers and .