Random Walks On Finite Convex Sets Of Lattice Points

Random Walks On Finite Convex Sets Of Lattice Points
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有限凸格点集上的随机游走

DOI:
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发表时间:
1998
期刊:
影响因子:
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通讯作者:
B. Virág
B. Virág
中科院分区:
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文献类型:
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作者:
B. Virág

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本文研究了格ℤd的凸子集上最近邻随机游动的收敛问题.主要结果表明,对于固定的d,O(γ2)步足以使游动达到“随机”,其中γ是集合的直径.为此,引入了格子集的一个新的凸性定义,它具有欧氏空间中凸性概念的许多重要性质。
This paper examines the convergence of nearest-neighbor random walks on convex subsets of the latticesℤd. The main result shows that for fixedd, O(γ2) steps are sufficient for a walk to “get random,” where γ is the diameter of the set. Toward this end a new definition of convexity is introduced for subsets of lattices, which has many important properties of the concept of convexity in Euclidean spaces.