From spectral cluster to uniform resolvent estimates on compact manifolds
From spectral cluster to uniform resolvent estimates on compact manifolds
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从谱簇到紧流形上的统一解析估计
DOI:
10.1016/j.jfa.2023.110214
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发表时间:
2024
影响因子:
1.7
通讯作者:
Cuenin J
中科院分区:
文献类型:
--
作者:
Cuenin J
It is well known that uniform resolvent estimates imply spectral cluster estimates. We show that the converse is also true in some cases. In particular, Sogge's universal spectral cluster estimates for the Laplace–Beltrami operator on closed Riemannian manifolds directly imply uniform resolvent estimates outside a parabolic region, without any reference to parametrices. The method is purely functional analytic and takes full advantage of the known spectral cluster bounds. This yields new resolvent estimates for manifolds with boundary or with low-regularity metrics, among other examples. Moreover, we show that the resolvent estimates are stable under perturbations and use this to establish uniform Sobolev and spectral cluster inequalities for Schrödinger operators with singular potentials.
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