A Feynman–Kac–Itô formula for magnetic Schrödinger operators on graphs
A Feynman–Kac–Itô formula for magnetic Schrödinger operators on graphs
复制标题
图上磁薛定谔算子的 FeynmanâKacâItâ 公式
DOI:
10.1007/s00440-015-0633-9
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发表时间:
2016
影响因子:
2
通讯作者:
Marcel Schmidt
中科院分区:
文献类型:
--
作者:
Batu Güneysu;Matthias Keller;Marcel Schmidt
In this paper we prove a Feynman–Kac–Itô formula for magnetic Schrödinger operators on arbitrary weighted graphs. To do so, we have to provide a natural and general framework both on the operator theoretic and the probabilistic side of the equation. On the operator side we identify a very general class of potentials that allows the definition of magnetic Schrödinger operators. On the probabilistic side, we introduce an appropriate notion of stochastic line integrals with respect to magnetic potentials. Apart from linking the world of discrete magnetic operators with the probabilistic world through the Feynman–Kac–Itô formula, the insights from this paper gained on both sides should be of an independent interest. As applications of the Feynman–Kac–Itô formula, we prove a Kato inequality, a Golden–Thompson inequality and an explicit representation of the quadratic form domains corresponding to a large class of potentials.
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DOI:
10.1006/jfan.2001.3778
发表时间:
2000
期刊:
arXiv: Spectral Theory
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DOI:
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2015
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2009
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2010
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DOI:
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2009
期刊:
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作者:
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通讯作者:
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