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4 papers · 2 filters
Connection between the clique number and the Lagrangian of -uniform hypergraphs
Qingsong Tang, Yuejian Peng, Xiangde Zhang +1
There is a remarkable connection between the clique number and the Lagrangian of a 2-graph proved by Motzkin and Straus in 1965. It is useful in practice if similar results hold fo…
An extension of Motzkin-Straus Theorem to non-uniform hypergraphs and its applications
Yuejian Peng, Hao Peng, Qingsong Tang +1
In 1965, Motzkin and Straus established a remarkable connection between the order of a maximum clique and the Lagrangian of a graph and provided a new proof of Turán's theorem usin…
Some Motzkin-Straus type results for non-uniform hypergraphs
Ran Gu, Xueliang Li, Yuejian Peng +1
A remarkable connection between the order of a maximum clique and the Lagrangian of a graph was established by Motzkin and Straus in 1965. This connection and its extensions were a…
Factorization of permutations
Zejun Huang, Chi-Kwong Li, Sharon H. Li +1
We consider the problem of factoring permutations as a product of special types of transpositions, namely, those transpositions involving two positions with bounded distances. In p…