Multilinear pseudodifferential operators beyond Calderón-Zygmund theory

2012/06/20 by Michalowski, Nicholas, Rule, David J., Staubach, Wolfgang
#Classical Analysis and ODEs (math.CA) #FOS: Mathematics

paper · doi:10.48550/arxiv.1206.4712

Abstract

We consider two types of multilinear pseudodifferential operators. First, we prove the boundedness of multilinear pseudodifferential operators with symbols which are only measurable in the spatial variables in weighted Lebesgue spaces. These results generalise earlier work of the present authors concerning linear pseudo-pseudodifferential operators. Secondly, we investigate the boundedness of bilinear pseudodifferential operators with symbols in the Hörmander S^m_{ρ, δ} classes. These results are new in the case ρ< 1, that is, outwith the scope of multilinear Calderón-Zygmund theory.

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