G Floridia, M Yamamoto - arXiv preprint arXiv:2007.09364, 2020 - arxiv.org
In this article, for a time-fractional diffusion-wave equation $\pppa u (x, t)=-Au (x, t) $, $0< t< T
$ with fractional order $\alpha\in (1, 2) $, we consider the backward problem in time …