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