The Banach -- Mackey topology and the weak Arens space topology are relatively rarely used . The Banach - Mackey - topology and the weak Arens - space topology are used relatively rarely .
Topologi Banach-Mackey dan topologi ruang Arens yang lemah agak jarang digunakan. Banach - Mackey - topologi dan Arens lemah - topologi ruang digunakan agak jarang.