L^2 estimates and vanishing theorems for holomorphic vector bundles equipped with singular Hermitian metrics, MSJ Spring Meeting 2018, the University of Tokyo, Tokyo, March 19, 2018.
*A converse of Hörmander's L^2-estimate and new positivity notions for vector bundles, Workshop on Complex Analytic and Algebraic Methods in Dynamics, Osaka City University, Osaka, January 15, 2019.
*The twisted Hörmander condition and new positivity notions for vector bundles, 解析幾何学セミナー, Nagoya University, Nagoya, April 22, 2019.
(short communications) New positivity notions for vector bundles, HAYAMA Symposium on Complex Analysis in Several Variables XXI, Shonan Village Center, Hayama, July 14, 2019.
*Positivity of singular Hermitian metrics on vector bundles, Young Mathematicians Workshop on Several Complex Variables 2019, Osaka City University, Osaka, September 8, 2019.
*Pseudonorms on direct images of pluricanonical bundles, 多変数関数論冬セミナー, Tohoku University, Sendai, December 21, 2019.
多重標準束の順像層における擬ノルムについて, MSJ Spring Meeting 2020, Nihon University, Tokyo, March 17, 2020 (年会中止に伴い講演は中止).
*Nakano positivity of singular Hermitian metrics and vanishing theorems of Demailly-Nadel-Nakano type, 複素解析幾何セミナー, 東京大学, July 6, 2020.
*From Hörmander's L^2-estimates to positivity, The 26th Symposium on Complex Geometry (第26回複素幾何シンポジウム(金沢)), オンライン(Zoom講演), November 4, 2020.
*L^2理論による正値性の特徴付けとその応用, 多変数関数論若手オンライン勉強会, オンライン(Zoom講演), December 11, 2020.
*Optimal $L^2$-extensions on tube domains and a simple proof of Pr\'ekopa's theorem, TMU Geometry Seminar, 東京都立大学, May 14, 2021.
*孤立特異点を持った特異エルミート計量について, 静岡複素解析幾何セミナー, 静岡大学, October 28, 2021.
*管状領域上の最良L^2拡張定理とPrekopaの定理の簡単な証明, 第64回函数論シンポジウム, オンライン(Zoom講演), October 31, 2021.
*Singular Hermitian metrics with isolated singularities, 2021年度多変数関数論冬セミナー, オンライン(Zoom講演), December 11, 2021.
*大沢-竹腰の拡張定理から見るBrunn-Minkowskiの定理, 東工大幾何セミナー, 東京工業大学, June 24, 2022.
*Singular Demailly-Skoda theorem, Pacific Rim Complex and Symplectic Geometry Conference, Kyoto, 2022, 京都大学, August 5, 2022.
*L^2-extension index and its applications, 複素解析幾何セミナー, 東京大学, December 12, 2022.
*A complex analytic approach to Prekopa's theorem, 福岡大学微分幾何セミナー, 福岡大学, January 12, 2023.
*On the Ohsawa--Takegoshi L^2-extension theorem and the L^2-extension index, 多変数函数論における擬凸性とその周辺, 東北大学, May 17, 2023.
*L^2-extension indices, sharper estimates and curvature positivity, HAYAMA Symposium on Complex Analysis in Several Variables XXIV, Shonan Village Center, Hayama, July 17, 2023.
*L^2拡張定理から見た劣調和関数、多重劣調和関数、多重調和関数, 広島複素解析セミナー, 広島大学, November 10, 2023.
*Towards singular Nakano positivity, The 29th Symposium on Complex Geometry (第29回複素幾何シンポジウム(金沢)), しいのき迎賓館, December 5, 2023.
*L^2拡張定理から見た劣調和関数、多重劣調和関数、多重調和関数, 2023年度多変数関数論冬セミナー, 筑波大学, December 15, 2023.
*An approximation of singular Hermitian metrics on vector bundles, TMU Workshop on Several Complex Variables, Tokyo Metropolitan University, February 19, 2024.
*Singular Nakano positivity of direct image sheaves, 複素解析幾何セミナー, 東京大学, November 11, 2024.
(* : invited talk)