@article{3024276, title = "Normed Quasi *-Algebras: Basic Theory and Examples", author = "Fragoulopoulou, M. and Trapani, C.", journal = "Lecture Notes in Mathematics", year = "2020", volume = "2257", pages = "31-66", publisher = "Springer-Verlag", doi = "10.1007/978-3-030-37705-2_3", abstract = "In this chapter we shall consider the case, where is endowed with a norm topology, making (0) into a normed quasi *-algebra in the sense of Definition 3.1.1, below. This opens our discussion on locally convex quasi *-algebras, starting from the simplest situation. Nevertheless, as we shall see, simple does not mean trivial at all. © 2020, Springer Nature Switzerland AG." }