C-star algebra
= C-star algebra
{c}
{title2=$C^*$-algebra}
{wiki=C*-algebra}
A C-star algebra is a complex Banach algebra with an involution satisfying $\|a^*a\|=\|a\|^2$.
= C-star algebra
{c}
{title2=$C^*$-algebra}
{wiki=C*-algebra}
A C-star algebra is a complex Banach algebra with an involution satisfying $\|a^*a\|=\|a\|^2$.