2 papers
math.CO2012
On Lagrangians of r-uniform Hypergraphs
Yuejian Peng, Qingsong Tang, Cheng Zhao
A remarkable connection between the order of a maximum clique and the Lagrangian of a graph was established by Motzkin and Straus in [7]. This connection and its extensions were su…
math.CO2012
Some Results on Lagrangians of Hypergraphs
Qingsong Tang, Yuejian Peng, Xiangde Zhang +1
In 1965, Motzkin and Straus [5] provided a new proof of Turan's theorem based on a continuous characterization of the clique number of a graph using the Lagrangian of a graph. This…