C0-semigroup
= C0-semigroup
{c}
{title2=$C_0$-semigroup}
{wiki}
A C0-semigroup is a family of bounded operators $U(t)$ for $t\geq0$ satisfying $U(0)=I$, $U(t+s)=U(t)U(s)$, and $U(t)x\to x$ in norm as $t\downarrow0$ for every $x$.
= Strongly continuous semigroup
{synonym}