Finite Dimensional Real Normed Spaces are Proper Metric Spaces
Nakasho, Kazuhisa, Okazaki, Hiroyuki, Shidama, Yasunari
Convex Sets and Convex Combinations on Complex Linear Spaces
Matsuzaki, Hidenori, Endou, Noboru, Shidama, Yasunari
Real Vector Space and Related Notions
Nakasho, Kazuhisa, Okazaki, Hiroyuki, Shidama, Yasunari