On ${\mathrm{C}}^{\ast }$-algebras associated to product systems

Camila F. Sehnem

Let $P$ be a unital subsemigroup of a group $G$. We propose an approach to ${\mathrm{C}}^{\ast }$-algebras associated to product systems over $P$. We call the ${\mathrm{C}}^{\ast }$-algebra of a g…