Abstract.
The boundedness and compactness of Fourier pseudodifferential operators with compound symbols in subclasses of \(L^\infty\left(\mathbb{R}^2, L^{1}\left(\mathbb{R}\right)\right)\) is studied on weighted Lebesgue spaces \(L^p\left(\mathbb{R}, w\right)\) with \(p\;\in\;\left(1,\;\infty\right)\) and Muckenhoupt weights \(w\;\in\;A_p\left(\mathbb{R}\right)\) by applying the techniques of oscillatory integrals. The boundedness and compactness conditions are also obtained for Mellin pseudodifferential operators with compound symbols in subclasses of \(L^\infty\left(\mathbb{R}^2_{+}, L^{1}\left(\mathbb{R}\right)\right),\) which act on the spaces \(L^p\left(\mathbb{R}_{+}, d\mu\right),\) where \(d\mu \left(t\right)\;=\;dt/t\; \mathrm{for}\;t\in \mathbb{R}_{+}.\) The latter results allow one to reduce the smoothness of slowly oscillating Carleson curves Γ and slowly oscillating Muckenhoupt weights w in the Fredholm study of singular integral operators with shifts on weighted Lebesgue spaces \(L^p\left(\Gamma, w\right)\).
The author was partially supported by the PFCE project (México).
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Karlovich, Y.I. (2018). Pseudodifferential operators with compound non-regular symbols. In: Böttcher, A., Potts, D., Stollmann, P., Wenzel, D. (eds) The Diversity and Beauty of Applied Operator Theory. Operator Theory: Advances and Applications, vol 268. Birkhäuser, Cham. https://doi.org/10.1007/978-3-319-75996-8_17
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DOI: https://doi.org/10.1007/978-3-319-75996-8_17
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