Elementary linear algebra for advanced spectral problems
谱理论
2025-10-20 v1 数值分析
数值分析
摘要
We discuss the general method of Grushin problems, closely related to Shur complements, Feshbach projections and effective Hamiltonians, and describe various appearances in spectral theory, pdes, mathematical physics and numerical problems.
引用
@article{arxiv.math/0312166,
title = {Elementary linear algebra for advanced spectral problems},
author = {J. Sjoestrand and M. Zworski},
journal= {arXiv preprint arXiv:math/0312166},
year = {2025}
}
备注
2 figures