On the spectrum of a weak class of operator pencils of waveguide type

Hasanov M.

MATHEMATISCHE NACHRICHTEN, vol.279, no.8, pp.843-853, 2006 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 279 Issue: 8
  • Publication Date: 2006
  • Doi Number: 10.1002/mana.200310398
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.843-853
  • Istanbul Technical University Affiliated: No


The paper introduces a new class of two parameter non-overdamped operator pencils arising from evolution equations. We investigate spectral properties, including variational principles for "interior" points of the spectrum. Examples leading to pencils of the new class are given. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.