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Pseudo-Differential Operators of Principal Type

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Singularities in Boundary Value Problems

Part of the book series: NATO Advanced Study Institutes Series ((ASIC,volume 65))

Abstract

We survey the existence and regularity theory for operators of principal type, with emphasis on Moyer’s proof of the necessity of condition (Ψ). A brief discussion of the open problems concerning the sufficiency of condition (Ψ) is also given.

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Author information

Authors and Affiliations

  1. Department of Mathematics, University of Lund, Box 725, S 22007, Lund, Sweden

    Lars Hörmander

Authors
  1. Lars Hörmander
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Editor information

Editors and Affiliations

  1. Inst. de Math., University of Liège, 15, avenue des Tilleuls, B-4000, Liege, Belgium

    H. G. Garnir

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© 1981 D. Reidel Publishing Company

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Hörmander, L. (1981). Pseudo-Differential Operators of Principal Type. In: Garnir, H.G. (eds) Singularities in Boundary Value Problems. NATO Advanced Study Institutes Series, vol 65. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-8434-9_4

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  • DOI: https://doi.org/10.1007/978-94-009-8434-9_4

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-009-8436-3

  • Online ISBN: 978-94-009-8434-9

  • eBook Packages: Springer Book Archive

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