Email: ziyao.zhao@helsinki.fi
About me
I am a PhD student at University of Helsinki, Finland. My supervisor is Lauri Oksanen. I am generally interested in inverse problems and related numerical analysis.
Publications and Preprints:
[6] An inverse problem for inhomogeneous Signorini obstacle, arXiv:2605.15091
[5] (with Yavar Kian, Lauri Oksanen) Inverse problem for the geometric Navier-Stokes equations, arXiv:2602.08644
[4] (with Erik Burman, Lauri Oksanen, Janosch Preuss) Unique continuation for the wave equation: the stability landscape, arXiv:2510.20359
[3] (with Matti Lassas, Boya Liu, Teemu Saksala, Andrew Shedlock) A Hyperbolic Inverse Problem for lower order terms on a closed manifold with disjoint data , SIAM J. Appl. Math., 86(3):1008-1034, 2026. arXiv:2509.19008
[2] (with Maarten V. de Hoop, Matti Lassas, Jinpeng Lu, Lauri Oksanen) An inverse Signorini obstacle problem , Arch. Ration. Mech. Anal., 250, 49 (2026). arXiv:2503.19610
[1] (with E. Burman, L. Oksanen) Computational unique continuation with finite dimensional Neumann trace, SIAM J. Numer. Anal., 63(5):1986–2008, 2025. arXiv:2402.13695