On the non-convexity of the time constant in first-passage percolation.
On the non-convexity of the time constant in first-passage percolation.
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关于首代渗流时间常数的非凸性。
DOI:
10.1214/ecp.v1-971
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发表时间:
1996
期刊:
影响因子:
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通讯作者:
H. Kesten
中科院分区:
文献类型:
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作者:
H. Kesten
We give a counterexample to a conjecture of Hammersley and Welsh (1965) about the convexity of the time constant in first-passage percolation, as a functional on the space of distribution functions. The present counterexample only works for first-passage percolation on $Z^d$ for $d$ large.