An introduction to microlocal complex deformations

preprint2020arXivOpen access

Abstract

In this expository article we relate the presentation of weighted estimates in the book of Martinez to the Bergman kernel approach of Sjöstrand. It is meant as an introduction to the Helffer--Sjöstrand theory (designed for the study of quantum resonances) in the simplest setting and to its adaptations to compact manifolds.

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