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On Unique Games with Negative Weights

机译:在具有负重的独特游戏上

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摘要

In this paper, the authors define Generalized Unique Game Problem (GUGP), where weights of the edges are allowed to be negative. Focuses are made on two special types of GUGP, GUGP-NWA, where the weights of all edges are negative, and GUGP-PWT(ρ), where the total weight of all edges are positive and the negative/positive ratio is at most ρ. The authors investigate the counterpart of the Unique Game Conjecture on GUGP-PWT(ρ). The authors prove Unique Game Conjecture holds true on GUGP-PWT(1) by reducing the parallel repetition of Max 3-Cut Problem to GUGP-PWT(1), and Unique Game Conjecture holds true on GUGP-PWT(1/2) if the 2-to-1 Conjecture holds true. The authors pose an open problem whether Unique Game Conjecture holds true on GUGP-PWT(ρ) with 0 < ρ < 1.
机译:在本文中,作者定义了广义独特的游戏问题(GUGP),其中边缘的重量被允许为负。专注于两种特殊类型的GUGP,GUGP-NWA,其中所有边缘的重量是负的,并且GUGP-PWT(ρ),其中所有边缘的总重量为正,负/正值至多ρ 。作者调查了GUGP-PWT(ρ)的独特游戏猜想的对应物。作者证明了独特的游戏猜想在Gugp-PWT(1)上通过降低Max 3-Cut问题的并行重复来实现GUGP-PWT(1),并且独特的游戏猜想在GUGP-PWT(1/2)上保持真实2比1猜想保持真实。作者造成了一个开放问题,无论是独特的游戏猜测是否在Gugp-pwt(ρ)上呈现0 <ρ<1。

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