CR structures on compact quotient manifolds of the Heisenberg group, The 57th Summer Seminar of Function Theory, Fukuoka Institute of Technology, Sep. 8, 2023.
On the spectrum of the Folland–Stein operator on some examples of three-dimensional Heisenberg Bieberbach manifolds, Geometry Seminar, The University of Osaka, Apr. 22, 2024.
On the eigenvalues and eigenfunctions of the Folland–Stein operator on Heisenberg Bieberbach manifolds, Geometry Seminar, Nagoya University, Jun. 7, 2024.
The spectrum of the Folland–Stein operator on some Heisenberg Bieberbach mannifolds (short communication), HAYAMA Symposium on Complex Analysis in Several Variables XXV, Shonan Village Center, Jul. 14, 2024.
The eigenvalues and eigenfunctions of the Folland–Stein operator on some Heisenberg Bieberbach manifolds, Young Mathematicians Workshop on Several Complex Variables, Osaka Metropolitan University, Aug. 5, 2024.
The spectrum of the Folland–Stein operator on some Heisenberg Bieberbach manifolds, MSJ Autumn Meeting, The University of Osaka, Sep. 5, 2024.
The spectrum of the Folland–Stein operator on some Heisenberg Bieberbach manifolds, The 58th Summer Seminar of Function Theory, Kamenoi Hotel Shiobara, Sep. 9, 2024.
The spectrum of the Folland–Stein operator on some Heisenberg Bieberbach manifolds, Geometry Seminar, Kyushu University, Oct. 25, 2024.
The spectrum of the Folland–Stein operator on some Heisenberg Bieberbach manifolds, Winter Seminar on Several Complex Variables 2024, The University of Osaka, Dec. 14, 2024.
The spectrum of the Folland–Stein operator on some Heisenberg Bieberbach manifolds, Osaka Workshop on Conformal and CR Geometry (short talk), The University of Osaka, Feb. 18, 2025
On deformations of CR structures on three-dimensional circle bundles, The 59th Summer Seminar of Function Theory, Ochanomizu University, Sep. 10, 2025.
The spectrum of the Folland–Stein operator on some Heisenberg Bieberbach manifolds, Conference on Conference on Several Complex Variables –L2 Estimates and Extensions–, Tohoku University, Sep. 22, 2025
The spectrum of the Folland–Stein operator on some Heisenberg Bieberbach manifolds, Seminar on Geometry and Several Complex Variables, Institute of Mathematics, Academia Sinica, Nov. 13, 2025．
The spectrum of the Folland–Stein operator on some Heisenberg Bieberbach manifolds, Seminar on Complex Analysis, Tohoku University, Nov. 19, 2025．
On the minimal embedding dimensions of Stein manifolds, Seminar on Oka manifolds, Kyushu University, Dec. 18, 2025.