Closed ideals in subalgebras of Banach algebras. I

J. T. Burnham
1972 Proceedings of the American Mathematical Society  
In this note we obtain an elementary extension of the so-called Fundamental Theorem of Segal Algebras to a special class of noncommutative Banach algebras. In particular the case of noncommutative group algebras is settled.
doi:10.1090/s0002-9939-1972-0295078-5 fatcat:zak43ass3nhbzppwf6wogxlsxe