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Polynomial continuity on
Authors:Manuel Gonzá  lez   Joaquí  n M. Gutié  rrez   José   G. Llavona
Affiliation:Departamento de Matemáticas, Facultad de Ciencias, Universidad de Cantabria, 39071 Santander, Spain ; Departamento de Matemáticas, ETS de Ingenieros Industriales, Universidad Politéc- nica de Madrid, C. José Gutiérrez Abascal 2, 28006 Madrid, Spain ; Departamento de Análisis Matemático, Facultad de Matemáticas, Universidad Complutense de Madrid, 28040 Madrid, Spain
Abstract:A mapping between Banach spaces is said to be polynomially continuous if its restriction to any bounded set is uniformly continuous for the weak polynomial topology. A Banach space $X$ has property (RP) if given two bounded sequences $(u_j), (v_j)subset X$, we have that $Q(u_j)-Q(v_j)rightarrow 0$ for every polynomial $Q$ on $X$ whenever $P(u_j-v_j)rightarrow 0$ for every polynomial $P$ on $X$; i.e., the restriction of every polynomial on $X$ to each bounded set is uniformly sequentially continuous for the weak polynomial topology. We show that property (RP) does not imply that every scalar valued polynomial on $X$ must be polynomially continuous.

Keywords:Polynomials on Banach spaces   weak polynomial topology   polynomials on $ell_1$
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