Heat kernel estimates for random walks with degenerate weights

Heat kernel estimates for random walks with degenerate weights
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DOI:
10.1214/16-ejp4382
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发表时间:
2014-12
影响因子:
1.4
通讯作者:
S. Andres;J. Deuschel;Martin Slowik
S. Andres;J. Deuschel;Martin Slowik
中科院分区:
数学3区
文献类型:
--
作者:
S. Andres;J. Deuschel;Martin Slowik

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在遍历性假设下,我们建立了权值无界的图上连续时间随机游动的热核的高斯型上界。对于证明,我们使用Davies的扰动方法,其中我们通过Moser迭代证明了扰动热核的极大不等式。
We establish Gaussian-type upper bounds on the heat kernel for a continuous-time random walk on a graph with unbounded weights under an ergodicity assumption. For the proof we use Davies' perturbation method, where we show a maximal inequality for the perturbed heat kernel via Moser iteration.