Multicriteria cuts and size-constrained k-cuts in hypergraphs

Calvin Beideman, Karthekeyan Chandrasekaran, Chao Xu

Research output: Contribution to journalArticlepeer-review


We address counting and optimization variants of multicriteria global min-cut and size-constrained min-k-cut in hypergraphs. 1.For an r-rank n-vertex hypergraph endowed with t hyperedge-cost functions, we show that the number of multiobjective min-cuts is O(r2 trn3t-1). In particular, this shows that the number of parametric min-cuts in constant rank hypergraphs for a constant number of criteria is strongly polynomial, thus resolving an open question by Aissi et al. (Math Program 154(1–2):3–28, 2015). In addition, we give randomized algorithms to enumerate all multiobjective min-cuts and all pareto-optimal cuts in strongly polynomial-time.2.We also address node-budgeted multiobjective min-cuts: For an n-vertex hypergraph endowed with t vertex-weight functions, we show that the number of node-budgeted multiobjective min-cuts is O(r2 rnt+2) , where r is the rank of the hypergraph, and the number of node-budgeted b-multiobjective min-cuts for a fixed budget-vector b∈R≥0t is O(n2).3.We show that min-k-cut in hypergraphs subject to constant lower bounds on part sizes is solvable in polynomial-time for constant k, thus resolving an open problem posed by Guinez and Queyranne (Unpublished manuscript. See also , 2012). Our technique also shows that the number of optimal solutions is polynomial. All of our results build on the random contraction approach of Karger (Proceedings of the 4th annual ACM-SIAM symposium on discrete algorithms, SODA, pp 21–30, 1993). Our techniques illustrate the versatility of the random contraction approach to address counting and algorithmic problems concerning multiobjective min-cuts and size-constrained k-cuts in hypergraphs.

Original languageEnglish (US)
Pages (from-to)27-69
Number of pages43
JournalMathematical Programming
Issue number1
StatePublished - Jan 2023


  • Hypergraph k-cuts
  • Min cuts
  • Multiobjective optimization

ASJC Scopus subject areas

  • Software
  • General Mathematics


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