Power-bounded elements and radical Banach algebras
Tom 38 / 1997
Banach Center Publications 38 (1997), 9-16
DOI: 10.4064/-38-1-9-16
Streszczenie
Firstly, we give extensions of results of Gelfand, Esterle and Katznelson--Tzafriri on power-bounded operators. Secondly, some results and questions relating to power-bounded elements in the unitization of a commutative radical Banach algebra are discussed.