Commutators in Banach -algebras
Tom 186 / 2008
Studia Mathematica 186 (2008), 1-10
MSC: 46H05, 46H10, 46K05, 47B47.
DOI: 10.4064/sm186-1-1
Streszczenie
The set of commutators in a Banach ^*-algebra A, with continuous involution, is examined. Applications are made to the case where A=B(\ell _2), the algebra of all bounded linear operators on \ell _2.