I'm Keisuke Nakashi (中司桂輔), teacher in Kaichi Tokorozawa Secondary School.
My research interests are
General Relativity, Black Hole physics, Black Holes in Modified Gravity Theories, Testing Gravity Theories with Black Hole and Lower-Dimensional Gravity.
Feel free to contact me
E-mail: keisuke.nakashi _at_ kaichigakuen.ed.jp