Acta Mathematica Academiae Paedagogicae Nyíregyháziensis, Vol. 19, No. 2, pp. 215-219 (2003)
Some observations concerning the non-existence of bounded differentials on weighted l1 algebras
A.L. Barrenechea and C.C. Pena
Departamento de Matemáticas, Tandil, Argentina
We consider Banach algebras of weighted absolutely summing complex sequences, endowed with Cauchy type product. In this frame it is proved that the only bounded differentials are zero.
Keywords: Degree reducing operator. Integro-differentiation procceses. Sequence spaces. Hadamard products.
Classification (MSC2000): 47B37
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