Banach’s Continuous Inverse Theorem and Closed Graph Theorem
Sakurai, Hideki, Okazaki, Hiroyuki, Shidama, Yasunari
Riemann Indefinite Integral of Functions of Real Variable
Shidama, Yasunari, Endou, Noboru, Wasaki, Katsumi
On the Properties of Curves and Parametrization-Independent Isoperimetric Inequality
Nakasho, Kazuhisa, Shidama, Yasunari