On 27th of January 2025 and 28th, the Department of Mathematics of Josai University is proud to host “Inverse Problem Seminar from Theory to Applications” at Tokyo Kioi-cho Campus of Josai University, Tokyo, Japan. The seminar aims to maintain and enhance collaboration among mathematicians of Finland and Japan. This seminar create a platform for scientific discussions in areas of Inverse Problems from the theory to real world applications.

Seminar proceedings will be published in Josai Mathematical Monographs.

27th of January (Mon), 2025

Chairperson Takanori Ide

10:00-11:30 (Keynote speech) Masaru Ikehata (Professor Emeritus at Hiroshima University, Professor Emeritus at Gunma University)
Title : Analytical methods for inverse obstacle problems
11:30-13:00 Lunch

Chairperson Samuli Siltanen

13:00-13:45 Hiroshi Isozaki (Ritsumeikan University)
Title : On the uniqueness of scattering solutions to partial differential equations
13:45-14:30 Gen Nakamura (Dept. Math. and Research Institute of Electronic Science, Hokkaido University)
Title : Analysis on anisotropic spring-dashpot models and Boltzmann type viscoelastic systems

14:30-15:00 Coffee Break

Chairperson Hisashi Morioka

15:00-15:45 Mishio Kawashita(Hiroshima University)
Title : On active sonar-type wave scattering inverse problems for different types of cavities
15:45-16:30 Daisuke Kawagoe(Kyoto University)
Title : Discontinuities in stationary radiative transfer and the optical tomography
16:30-17:15 Akari Ishida(Nagoya University)
Title : Convergence analysis of the Levenberg-Marquardt method for inverse problems satisfying Hölder stability

28th of January(Tue), 2025

Chairperson Hiromichi Itou

10:00-11:30 (Keynote speech) Samuli Siltanen (University of Helsinki)
Title : Tomographic imaging: probing with X-rays or electricity
11:30-13:00 Lunch

Chairperson Mishio Kawashita

13:00-13:45 Siiri Rautio (University of Helsinki)
Title : Computed tomography without X-rays: parallel-beam imaging from nonlinear current flows
13:45-14:30 Kazumi Tanuma (Gunma University)
Title : Surface waves in piezoelectric media: surface-impedance approach

14:30-15:00 Coffee Break

Chaiperson Daisuke Kawagoe

15:00-15:45 Hisashi Morioka(Ehime University)
Title : Scattering theory for elastic wave equations in cylindrical domains with thin bond layers
15:45-16:30 Ryusei Yamashita (Polytechnic Univesity of Japan)
Titel : Reconstruction of the defect by the enclosure method for inverse problems of the magnetic Schrödinger operator

Scientific organizer : Takanori Ide (Department of Mathematics, Faculty of Science, Josai University)