Remark 17.13.4ABB931E35703

Remark 17.13.4.ABB931E35703 Here we do not discuss the case $t<0$ because its behavior is straightforward: take $x\in X$; if $\Gamma _{\tau }(x)=-\infty $ for all $\tau <\Gamma _{\max }$, then $\Gamma _ t^*(x)=-\infty $; otherwise, $\Gamma _ t^*(x)=\infty $.