lake of Wada
English
Etymology
Calque of Japanese 和田の湖. Introduced by Kunizo Yoneyama (in 1917), who credited the discovery to Takeo Wada.
Noun
lake of Wada (plural lakes of Wada)
- (mathematics) Any of three disjoint connected open sets of the plane or open unit square with the counterintuitive property that they all have the same boundary.
Related terms
- Wada basin
- Wada property