On It？'s formula for symmetric $α$-stable Lévy process of index $1<α\leq 2 $

We use Young integration (resp, bounded $p,q$-variation theory introduced in \cite{Feng-Zhao}) to establish integration of determinate functions with respect to local time of symmetric $\alpha$-stable L\'evy process, for $\alpha \in ]1,2]$, in one parameter case (resp, in two parameter case). We then apply these integrals to write the corresponding generalized It\^{o} formula. Furthermore, some approximations schemes of the area integral w.r.t local time are given.