Improved Bounds for the Union of Locally Fat Objects in the Plane

Improved Bounds for the Union of Locally Fat Objects in the Plane
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改进了平面中局部胖对象联合的界限

DOI:
10.1137/120891241
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发表时间:
2014
期刊:
SIAM J. Comput.
影响因子:
--
通讯作者:
M. Sharir
M. Sharir
中科院分区:
--
文献类型:
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作者:
B. Aronov;M. D. Berg;Esther Ezra;M. Sharir

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我们证明,对于任何$\gamma > 0$,平面中具有恒定复杂度的$n$局部$\gamma$胖对象的联合的组合复杂度为$\frac{n}{\gamma^4} 2^{O(\log^*n)}$。对于$\gamma$-胖三角形的特殊情况,上界提高到$O(n \log^*{n} + \frac{n}{\gamma}\log^2{\frac{1}{\gamma}})$。
We show that, for any $\gamma > 0$, the combinatorial complexity of the union of $n$ locally $\gamma$-fat objects of constant complexity in the plane is $\frac{n}{\gamma^4} 2^{O(\log^*n)}$. For the special case of $\gamma$-fat triangles, the bound improves to $O(n \log^*{n} + \frac{n}{\gamma}\log^2{\frac{1}{\gamma}})$.