Optimal Approximation of Elliptic Problems by Linear and Nonlinear Mappings I

Stephan Dahlke; Erich Novak; Winfried Sickel

Optimal Approximation of Elliptic Problems by Linear and Nonlinear Mappings I

数值分析 2025-10-20 v1 数值分析

作者: Stephan Dahlke , Erich Novak , Winfried Sickel

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摘要

We study the optimal approximation of the solution of an operator equation Au=f by linear and nonlinear mappings.

关键词

optimization and approximation theory elliptic partial differential equations function approximation

引用

@article{arxiv.math/0606502,
  title  = {Optimal Approximation of Elliptic Problems by Linear and Nonlinear Mappings I},
  author = {Stephan Dahlke and Erich Novak and Winfried Sickel},
  journal= {arXiv preprint arXiv:math/0606502},
  year   = {2025}
}