On a negative result concerning interpolation with change of measures for Lorentz spaces

On a negative result concerning interpolation with change of measures for Lorentz spaces
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by Elida V. Ferreyra PDF

Proc. Amer. Math. Soc. 125 (1997), 1413-1417 Request permission

In this note we show that the Stein-Weiss theorem on $L^p$ interpolation with change of measures cannot be extended to Lorentz spaces $L^{p,s}.$

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