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POLYNOMIAL FACTORIZATION THROUGH Lγ(μ) SPACES

  • Cilia, Raffaella (DIPARTIMENTO DI MATEMATICA FACOLTA DI SCIENZE UNICERSITA DI CATANIA VIALE ANDREA DORIA) ;
  • Gutierrez, Joaquin M. (DEPARTAMENTO DE MATEMATICA APLICADA ETS DE INGENIEROS INDUSTRIALES UNIVERSIDAD POLITECNICA DE MADRID)
  • Published : 2009.11.01

Abstract

We give conditions so that a polynomial be factorable through an $L_{\gamma}({\mu})$ space. Among them, we prove that, given a Banach space X and an index m, every absolutely summing operator on X is 1-factorable if and only if every 1-dominated m-homogeneous polynomial on X is right 1-factorable, if and only if every 1-dominated m-homogeneous polynomial on X is left 1-factorable. As a consequence, if X has local unconditional structure, then every 1-dominated homogeneous polynomial on X is right and left 1-factorable.

Keywords

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