$\ell^2(\Zn)$ 上伪微分算子的椭圆性与 Fredholm 性
谱理论
2019-10-22 v2 泛函分析
摘要
证明了在 上带符号的椭圆伪微分算子的极小算子与极大算子重合,并给出其定义域用 Sobolev 空间表示。证明了在 上伪微分算子的椭圆性与 Fredholm 性等价。还计算了 上椭圆伪微分算子的指标。
关键词
引用
@article{arxiv.1910.05582,
title = {Ellipticity and Fredholmness of pseudo-differential operators on $\ell^2(\Zn)$},
author = {Aparajita Dasgupta and Vishvesh Kumar},
journal= {arXiv preprint arXiv:1910.05582},
year = {2019}
}
备注
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