Antti Kykkänen

Events:

• I will give a talk at Finnish Mathematical Days 2025 in Jyväskylä in January 2026, Horizontal and vertical regularity of elastic wave geometry.

• I will be giving a talk at Inverse days 2025 in Helsinki on December 15, The elastic ray transform. 

• A new preprint is out in collaboration with Joonas Ilmavirta and Pieti Kirkkopelto, Horizontal and vertical regularity of elastic wave geometry, November 2025, arXiv:2511.16466.

• A new preprint is out in collaboration with Henri Hänninen and Hjørdis Schlüter, Reconstruction of the Dipole Amplitude in the Dipole Picture as a mathematical Inverse Problem, September 2025, arXiv:2509.05005.

• A new preprint is out in collaboration with Maarten de Hoop and Rohit Mishra, The head wave transform, September 2025, arXiv:2509.01623.

Past:

• I will be organizing a minisymposium, Young researchers in geometric inverse problems, at AIP2025 in July 2025.

• I will be giving two minisymposium talks at AIP2025, MS-04 Integral Geometry, Rigidity and Geometric Inverse Problems, and MS-05 Inverse Problems for Linear PDEs. 

• News about my doctoral dissertation work.

• I will be speaking at the BIPS seminar on February 4th. Topic: Geometry of gas giants and inverse problems.

• I am giving a talk at the 2025 Spring Central Sectional Meeting of AMS in Lawrence Kansas on March 29th 2025.

• I am giving a talk at the Inverse days 2024 in Oulu. The talk is based on our recent article Lipschitz Stability of Travel Time.

• My doctoral defence at University of Jyväskylä on August 13th 2024. Thesis Geodesic X-ray Transforms in Non-smooth Riemannian Geometries.

• I am giving a talk on the geometry of gas giants at SIAM Conference on Imaging Science, May 28th 2024, Atlanta Georgia.

• My talk at the Geometry and Topology seminar on February 7th 2024 at NC State at Raleigh NC.