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A Failure of Stability Under Complex Interpolation
Published online by Cambridge University Press: 20 November 2018
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Let denote the spaces of Bessel potentials as denned and discussed in [6]. When 1 < q < ∞ and α is an integer , the Sobolev space which consists of functions Fin Lq with α derivatives in Lq and with norm
If now we make the change of variables x = ev, f(x) = F (In x) it is easily seen that the ratio
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- Copyright © Canadian Mathematical Society 1977
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