English

Uniqueness in determining the orders of time and spatial fractional derivatives

Analysis of PDEs 2020-06-29 v1

Abstract

We prove the uniqueness in determining both orders of fractional time derivatives and spatial derivatives in diffusion equations by pointwise data. The proof relies on the eigenfunction expansion and the asymptotics of the Mittag-Leffler function.

Keywords

Cite

@article{arxiv.2006.15046,
  title  = {Uniqueness in determining the orders of time and spatial fractional derivatives},
  author = {Masahiro Yamamoto},
  journal= {arXiv preprint arXiv:2006.15046},
  year   = {2020}
}