About MAEDA K
About Tokyo Inst. Technol., Tokyo, JPN
About KOIKE T
About Keio Univ., Yokohama, JPN
About NARITA M
About Rikkyo Univ., Tokyo, JPN
About ISHIBASHI A
About Tokyo Inst. Technol., Tokyo, JPN
About Physical Review. D. Particles, Fields, Gravitation, and Cosmology
About general relativity
About energy condition
About General theory of relativity and theory of gravity
About 時空
About エントロピー
About 上限