Completely continuous multilinear operators on $C(K)$ spaces
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Abstract:
Given a $k$-linear operator $T$ from a product of $C(K)$ spaces into a Banach space $X$, our main result proves the equivalence between $T$ being completely continuous, $T$ having an $X$-valued separately $\omega ^*-\omega ^*$ continuous extension to the product of the biduals and $T$ having a regular associated polymeasure. It is well known that, in the linear case, these are also equivalent to $T$ being weakly compact, and that, for $k>1$, $T$ being weakly compact implies the conditions above but the converse fails.References
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Additional Information
- Ignacio Villanueva
- Affiliation: Departamento de Análisis Matemático, Facultad de Matemáticas, Universidad Complutense de Madrid, 28040 Madrid, Spain
- Email: Ignacio_Villanueva@mat.ucm.es
- Received by editor(s): March 8, 1998
- Received by editor(s) in revised form: April 24, 1998
- Published electronically: September 9, 1999
- Additional Notes: This work was partially supported by DGES grant PB97-0240.
- Communicated by: Dale Alspach
- © Copyright 1999 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 128 (2000), 793-801
- MSC (1991): Primary 46E15, 46B25
- DOI: https://doi.org/10.1090/S0002-9939-99-05396-4
- MathSciNet review: 1670435