%0 Journal Article %T A remark on the asymptotic tightness in $\ell^{\infty}([a,b])$ %A Gane Samb Lo %J Mathematics %D 2014 %I arXiv %X In this note, we extend a simple criteria for uniform tightness in $C(0,1)$, the class of real continuous functions defined on $(0,1)$, given in Theorem 8.3 of Billingsley to the asymptotic tightness in $\ell^{+\infty}([a,b])$, the class of real bounded functions defined on $[a,b] $ with $a