The objects of study in this
note are the Lebesgue spaces Lp(1 < p < ∞) on the n-dimensional Euclidean space
Rn. We consider a function f one of the above-mentioned spaces, and derive results
about the closure (in the relevant function space) of the set of linear combinations of
functions of the form
where a1,⋯,an,b1,⋯,bn ∈ R, and a1≠0,⋯,an≠0.
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