Convolution algebras with weighted rearrangement-invariant norm
R. Kerman, E. Sawyer (1994)
Studia Mathematica
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Let X be a rearrangement-invariant space of Lebesgue-measurable functions on , such as the classical Lebesgue, Lorentz or Orlicz spaces. Given a nonnegative, measurable (weight) function on , define . We investigate conditions on such a weight w that guarantee X(w) is an algebra under the convolution product F∗G defined at by ; more precisely, when for all F,G ∈ X(w).