Almost multiplicative functions and almost linear multiplicative functionals

• Autores: P. Semrl
• Localización: Aequationes mathematicae, ISSN 0001-9054, Vol. 63, Nº. 1-2, 2002, págs. 180-192
• Idioma: inglés
• DOI: 10.1007/s00010-002-8016-6
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• Resumen

  • We obtain two improvements of Baker's result on the stability of multiplicative functions. Using these results we study approximately linear multiplicative functionals on Banach algebras.