2
This is a variant of this question.
Definitions/Facts
$Ball_1(X)$ denotes the unit ball (about $0$) in a normed vector space $X$.
MixTop of triples of pairs $(X,\tau)$ of normed vector spaces $X$ equipped with a LC (locally convex) topology $\tau$ on $X$ making $Ball_1(X)$ complete and bou...