Mathematics – Optimization and Control
Scientific paper
2010-01-28
Discrete Mathematics, 311:780--783, 2011
Mathematics
Optimization and Control
Scientific paper
We consider optimization of nonlinear objective functions that balance $d$ linear criteria over $n$-element independence systems presented by linear-optimization oracles. For $d=1$, we have previously shown that an $r$-best approximate solution can be found in polynomial time. Here, using an extended Erd\H{o}s-Ko-Rado theorem of Frankl, we show that for $d=2$, finding a $\rho n$-best solution requires exponential time.
Lee Jon
Onn Shmuel
Weismantel Robert
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