M -functions for closed extensions of adjoint pairs of operators with applications to elliptic boundary problems

Brown, Brian Malcolm, Grubb, Gerd, Wood, Ian (2009) M -functions for closed extensions of adjoint pairs of operators with applications to elliptic boundary problems. Mathematische Nachrichten, 282 (3). pp. 314-347. ISSN 0025-584X. (doi:10.1002/mana.200810740) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:23928)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
Official URL: http://dx.doi.org/10.1002/mana.200810740

Abstract

In this paper, we combine results on extensions of operators with recent results on the relation between the M -function and the spectrum, to examine the spectral behaviour of boundary value problems. M -functions are defined for general closed extensions, and associated with realisations of elliptic operators. In particular, we consider both ODE and PDE examples where it is possible for the operator to possess spectral points that cannot be detected by the M -function

Item Type:	Article
DOI/Identification number:	10.1002/mana.200810740
Subjects:	Q Science > QA Mathematics (inc Computing science) > QA299 Analysis, Calculus Q Science > QA Mathematics (inc Computing science) > QA377 Partial differential equations
Institutional Unit:	Schools > School of Engineering, Mathematics and Physics > Mathematical Sciences
Former Institutional Unit:	Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Mathematics, Statistics and Actuarial Science
Depositing User:	Ian Wood
Date Deposited:	09 Apr 2010 11:02 UTC
Last Modified:	20 May 2025 11:34 UTC
Resource URI:	https://kar.kent.ac.uk/id/eprint/23928 (The current URI for this page, for reference purposes)

University of Kent Author Information

Wood, Ian.

Creator's ORCID:	https://orcid.org/0000-0001-7181-7075
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