Powered by OpenAIRE graph
Found an issue? Give us feedback
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao zbMATH Openarrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
zbMATH Open
Article
Data sources: zbMATH Open
American Journal of Mathematics
Article . 1986 . Peer-reviewed
Data sources: Crossref
versions View all 2 versions
addClaim

Solvability of Transversally Elliptic Differential Operators on Nilpotent Lie Groups

Solvability of transversally elliptic differential operators on nilpotent Lie groups
Authors: Corwin, Lawrence; Rothschild, Linda Preiss;

Solvability of Transversally Elliptic Differential Operators on Nilpotent Lie Groups

Abstract

Sei G eine homogene Gruppe, sei \({\mathfrak g}\) die Liealgebra von G und sei \(L=\sum^{m}_{j=1}L_ j\) ein linksinvarianter Differentialoperator auf G, wobei die Operatoren \(L_ j\) homogen vom Grade j sind. Kriterien für die lokale Auflösbarkeit homogener Operatoren \(L=L_ m\) wurden in der Literatur mehrfach angegeben (siehe z.B. the first author [Trans. Am. Math. Soc. 280, 53-72 (1983; Zbl 0526.22009)], the authors [Acta Math. 147, 265-288 (1981; Zbl 0486.22006)], \textit{P. Lévy-Bruhl} [C. R. Acad. Sci. Paris, Ser. I. 292, 197-200 (1981; Zbl 0461.35015)], the second author [Proc. Am. Math. Soc. 74, 383-388 (1979; Zbl 0413.58021)], the second author and \textit{D. S. Tartakoff} [Commun. Partial Differ. Equations 6, 625-650 (1981; Zbl 0477.58032)]). In der vorliegenden Arbeit studieren die Autoren nun den Fall eines nichthomogenen Operators L. Sie nehmen dabei an, daß G nilpotent von der Klasse 2 ist; d.h. \({\mathfrak g}={\mathfrak g}_ 1\oplus {\mathfrak g}_ 2\) mit \({\mathfrak g}_ 2=[{\mathfrak g},{\mathfrak g}]=[{\mathfrak g}_ 1,{\mathfrak g}_ 1]\). Der Operator L heißt transversal-elliptisch, wenn \(\sigma (L_ m)\neq 0\) ist für alle nichttrivialen eindimensionalen unitären Darstellungen \(\sigma\) von G. Die Autoren zeigen, daß die Bedingung \(Kern(L^ t)\cap L^ 2(G)=\{0\}\) notwendig ist für die lokale Auflösbarkeit eines transversal-elliptischen Operators L. Diese Bedingung ist aber auch hinreichend, falls G vom Typ (H) ist, d.h. falls die Bilinearform \(B_{\eta}(X,Y):=\eta ([X,Y])\) auf \({\mathfrak g}_ 1\) nichtausgeartet ist für alle \(\eta\in {\mathfrak g}^*_ 2\setminus \{0\}\). Ferner wird gezeigt, daß L in diesem Falle sogar eine Fundamentallösung besitzt. Schließlich diskutieren die Autoren noch Möglichkeiten und Grenzen der Erweiterung ihrer Resultate auf Gruppen höherer Nilpotenzklasse.

Keywords

local solvability, Analysis on real and complex Lie groups, Pseudodifferential operators as generalizations of partial differential operators, nonhomogeneous operator, Elliptic equations and elliptic systems, Local existence and uniqueness theorems (PDE), transversal elliptic, nilpotent Lie algebra

  • BIP!
    Impact byBIP!
    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    1
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
Upload OA version
Are you the author of this publication? Upload your Open Access version to Zenodo!
It’s fast and easy, just two clicks!