Fréchet algebra techniques for boundary value problems on noncompact manifolds: Fredholm criteria and functional calculus via spectral invariance

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Authors

  • Elmar Schrohe

External Research Organisations

  • University of Potsdam
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Details

Original languageEnglish
Pages (from-to)145-185
Number of pages41
JournalMathematische Nachrichten
Volume199
Issue number1
Publication statusPublished - 1999
Externally publishedYes

Abstract

A Boutet de Monvel type calculus is developed for boundary value problems on (possibly) noncompact manifolds. It is based on a class of weighted symbols and Sobolev spaces. If the underlying manifold is compact, one recovers the standard calculus. The following is proven: (1) The algebra script G sign of Green operators of order and type zero is a spectrally invariant Fréchet subalgebra of ℒ(H), H a suitable Hubert space, i. e., script G sign ∩ ℒ(H)-1 = script G sign-1. (2) Focusing on the elements of order and type zero is no restriction since there are order reducing operators within the calculus. (3) There is a necessary and sufficient criterion for the Fredholm property of boundary value problems, based on the invertibility of symbols modulo lower order symbols, and (4) There is a holomorphic functional calculus for the elements of script G sign in several complex variables.

Keywords

    Boundary value problems, Boutet de Monvel's calculus, Fréchet algebras, Noncompact manifolds, Spectral invariance

ASJC Scopus subject areas

Cite this

Fréchet algebra techniques for boundary value problems on noncompact manifolds: Fredholm criteria and functional calculus via spectral invariance. / Schrohe, Elmar.
In: Mathematische Nachrichten, Vol. 199, No. 1, 1999, p. 145-185.

Research output: Contribution to journalArticleResearchpeer review

Download
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T2 - Fredholm criteria and functional calculus via spectral invariance

AU - Schrohe, Elmar

N1 - Copyright: Copyright 2018 Elsevier B.V., All rights reserved.

PY - 1999

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N2 - A Boutet de Monvel type calculus is developed for boundary value problems on (possibly) noncompact manifolds. It is based on a class of weighted symbols and Sobolev spaces. If the underlying manifold is compact, one recovers the standard calculus. The following is proven: (1) The algebra script G sign of Green operators of order and type zero is a spectrally invariant Fréchet subalgebra of ℒ(H), H a suitable Hubert space, i. e., script G sign ∩ ℒ(H)-1 = script G sign-1. (2) Focusing on the elements of order and type zero is no restriction since there are order reducing operators within the calculus. (3) There is a necessary and sufficient criterion for the Fredholm property of boundary value problems, based on the invertibility of symbols modulo lower order symbols, and (4) There is a holomorphic functional calculus for the elements of script G sign in several complex variables.

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