Research keywords (4):
metric space
, geometric group theory
, Riemannian geometry
, CAT(0) space
Research theme for competitive and other funds (2):
2021 - 2026 非測地的距離空間の非正曲率性について
2016 - 2020 Poincare inequalities and geometry of metric spaces
Papers (8):
Tetsu Toyoda. A non-geodesic analogue of Reshetnyak’s majorization theorem. Analysis and Geometry in Metric Spaces. 2023. 11. 1. Paper No. 20220151, 22 pp.
Tetsu Toyoda. An intrinsic characterization of five points in a CAT(0) space. Analysis and Geometry in Metric Spaces. 2020. 8. 1. 114-165
Takefumi Kondo, Tetsu Toyoda, Takato Uehara. On a question of Gromov about the Wirtinger inequalities. Geometriae Dedicata. 2018. 195. 1. 203-214