Geodesic
Nonclassical interpolation in spaces of smooth functions
Studia Mathematica, Tome 135 (1999) no. 3, pp. 203-218

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

We prove that the fractional BMO space on a one-dimensional manifold is an interpolation space between C and $C^1$. We also prove that $BMO^1$ is an interpolation space between C and $C^2$. The proof is based on some nonclassical interpolation constructions. The results obtained cannot be transferred to spaces of functions defined on manifolds of higher dimension. The interpolation description of fractional BMO spaces is used at the end of the paper for the proof of the boundedness of commutators of the Hilbert transform.
DOI : 10.4064/sm-135-3-203-218

Vladimir I. Ovchinnikov 1

1 
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Vladimir I. Ovchinnikov. Nonclassical interpolation in spaces of smooth functions. Studia Mathematica, Tome 135 (1999) no. 3, pp. 203-218. doi: 10.4064/sm-135-3-203-218

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