In mathematics, the predual of an object D is an object P whose dual space is D.

This article does not cite any sources. (August 2022)

For example, the predual of the space of bounded operators is the space of trace class operators, and the predual of the space L^∞(R) of essentially bounded functions on R is the Banach space L¹(R) of integrable functions.

This mathematical analysis–related article is a stub. You can help Wikipedia by expanding it.

• v
• t
• e