Automatic continuity of Some linear mappings from certain products of Banach algebras

Hamid Farhadi, Eghbal Ghaderi, Hoger Ghahramani

Let $\mathcal{A}$ and $\mathcal{U}$ be Banach algebras and $\theta$ be a nonzero character on $\mathcal{A}$. Then the \textit{Lau product Banach algebra} $\mathcal{A}\times_θ\mathcal{U}…