Mazur lemma
= Mazur lemma
{c}
{wiki=Mazur's_lemma}
If $x_n$ converges weakly to $x$ in a Banach space, there are convex combinations of each tail $\{x_n,x_{n+1},\ldots\}$ that converge in norm to $x$.
= Mazur lemma
{c}
{wiki=Mazur's_lemma}
If $x_n$ converges weakly to $x$ in a Banach space, there are convex combinations of each tail $\{x_n,x_{n+1},\ldots\}$ that converge in norm to $x$.