Fredholm property of non‐smooth pseudodifferential operators

Helmut Abels and Christine Pfeuffer

Mathematische Nachrichten, 2020, vol. 293, issue 5, 822-846

Abstract: In this paper we prove sufficient conditions for the Fredholm property of a non‐smooth pseudodifferential operator P which symbol is in a Hölder space with respect to the spatial variable. As a main ingredient for the proof we use a suitable symbol‐smoothing.

Date: 2020
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https://doi.org/10.1002/mana.201800361

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