Some seminorms on quasi<sup>*</sup>-algebras
Some seminorms on quasi<sup>*</sup>-algebras
Different types of seminorms on a quasi $^*$-algebra $({{{\mathfrak A}}},{{{\mathfrak A}}}_0)$ are constructed from a suitable family ${\mathcal F}$ of sesquilinear forms on ${{{\mathfrak A}}}$. Two particular classes, extended $C^*$-seminorms and $CQ^*$