Gossez's approximation theorems in the Musielak-Orlicz-Sobolev spaces

Youssef Ahmida, Iwona Chlebicka, Piotr Gwiazda +1

We prove the density of smooth functions in the modular topology in the Musielak-Orlicz-Sobolev spaces essentially extending the results of Gossez \cite{GJP2} obtained in the Orlic…