Superreflexive Banach space (source code)

= Superreflexive Banach space
{wiki=Superreflexive_space}

A Banach space is superreflexive when every Banach space finitely representable in it is a <reflexive Banach space>. Equivalently, it admits an equivalent uniformly convex norm, or every one of its ultrapowers is reflexive.