Lower Bounds for Clique vs. Independent Set

Lower Bounds for Clique vs. Independent Set
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集团与独立集的下界

DOI:
10.1109/focs.2015.69
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发表时间:
2015
期刊:
2015 IEEE 56th Annual Symposium on Foundations of Computer Science
影响因子:
--
通讯作者:
Mika Göös
Mika Göös
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--
文献类型:
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作者:
Mika Göös

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我们证明了Yannakakis (STOC 1988, JCSS 1991)引入的Clique vs. Independent Set问题的Conon确定性通信复杂度的一个ω(log n)下界。作为一个推论,这暗示了图论中Alon - Saks - Seymour猜想的超多项式下界。我们的方法是首先展示UP与coNP问题的决策树模拟的查询复杂性分离-即明确的DNF宽度与CNF宽度-然后使用先前工作的结果将这种分离“提升”到通信复杂性。
We prove an ω(log n) lower bound on the Conon deterministic communication complexity of the Clique vs. Independent Set problem introduced by Yannakakis (STOC 1988, JCSS 1991). As a corollary, this implies super polynomial lower bounds for the Alon - Saks - Seymour conjecture in graph theory. Our approach is to first exhibit a query complexity separation for the decision tree analogue of the UP vs. coNP question - namely, unambiguous DNF width vs. CNF width - and then "lift" this separation over to communication complexity using a result from prior work.
相关多胞形的可拓复杂度呈指数增长的简短证明
DOI: 10.1007/s00454-014-9655-9
发表时间: 2015
影响因子: 0.8
作者:
Volker Kaibel;Stefan Weltge
通讯作者: Stefan Weltge