Uniqueness in quadratic and hyperbolic 0-1 programming problems

V.G. Deineko, B. Klinz, G.J. Woeginger

Research output: Book/ReportReportAcademic

3 Citations (Scopus)
93 Downloads (Pure)


We analyze the question of deciding whether a quadratic or a hyperbolic 0-1 programming instance has a unique optimal solution. Both uniqueness questions are known to be NP-hard, but are unlikely to be contained in the class NP. We precisely pinpoint their computational complexity by showing that they both are complete for the complexity class {\mbox{$\Delta_2$P}.
Original languageEnglish
Number of pages6
Publication statusPublished - 2013

Publication series

Volume1312.0903 [math.CO]


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