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超图拉格朗日函数是极值组合中的一个有效工具,本文回顾其在几个重要问题中的应用并提出与超图拉格朗日函数相关的公开问题.“,”Hypergraph Lagrangian function has been helpful in hypergraph extremal prob-lems.In this survey,we review some of its applications in well-known problems and propose some open questions.