Minkowski Sum选择与发现
Minkowski Sum Selection and Finding
摘要:
对于线性目标函数的\textsc{Minkowski Sum Selection}问题,我们得到了如下结果:(1)$λ=1$的最优$O(n\log n)$时间算法;(2)对于任意固定的$λ>1$,我们得到了$O(n\log^2 n)$时间确定性算法和期望$O(n\log n)$时间随机算法.对于目标函数为线性函数或目标函数为$f(x,y)=\frac{by}{ax}$形式的\textsc{Minkowski Sum Finding}问题,我们对任意固定的$λ\geq 1$构造了最优$O(n\log n)$时间算法.
英文摘要:
For the \textsc{Minkowski Sum Selection} problem with linear objective functions, we obtain the following results: (1) optimal $O(n\log n)$ time algorithms for $λ=1$; (2) $O(n\log^2 n)$ time deterministic algorithms and expected $O(n\log n)$ time randomized algorithms for any fixed $λ>1$. For the \textsc{Minkowski Sum Finding} problem with linear objective functions or objective functions of the form $f(x,y)=\frac{by}{ax}$, we construct optimal $O(n\log n)$ time algorithms for any fixed $λ\geq 1$.
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