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Applications sommantes et radonifiantes

Patrice Assouad (1972)

Annales de l'institut Fourier

Soient E , F des espaces de Banach L ϕ , L ψ des espaces d’Orlicz, on définit les applications ϕ - ψ sommantes de E dans F . On montre que de telles applications sont ϕ - ψ radonifiantes de E dans σ ( F ' ' , F ' ) .On donne une factorisation caractéristique des applications ϕ - 0 sommantes.

Approximation properties determined by operator ideals and approximability of homogeneous polynomials and holomorphic functions

Sonia Berrios, Geraldo Botelho (2012)

Studia Mathematica

Given an operator ideal ℐ, a Banach space E has the ℐ-approximation property if the identity operator on E can be uniformly approximated on compact subsets of E by operators belonging to ℐ. In this paper the ℐ-approximation property is studied in projective tensor products, spaces of linear functionals, spaces of linear operators/homogeneous polynomials, spaces of holomorphic functions and their preduals.

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