Some non-selfadjoint problems on the circle

The non-selfadjoint nature of some second order differential equations with periodic boundary conditions is exhibited by describing properties of its spectrum, such as geometric and algebraic multiplicities and existence of nonreal eigenvalues.

Detalles Bibliográficos
Autores: Lubary Martínez, José Antonio|||0000-0002-1938-3457, Solà-Morales Rubió, Joan de|||0000-0003-2896-2917
Tipo de recurso: artículo
Fecha de publicación:1998
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/789
Acceso en línea:https://hdl.handle.net/2117/789
Access Level:acceso abierto
Palabra clave:Boundary value problems
non-selfadjoint operators
periodic boundary conditions
nonreal eigenvalues
multiplicities
Problemes de contorn
Valors limits, Problemes de
Classificació AMS::34 Ordinary differential equations::34B Boundary value problems
Classificació AMS::47 Operator theory
Descripción
Sumario:The non-selfadjoint nature of some second order differential equations with periodic boundary conditions is exhibited by describing properties of its spectrum, such as geometric and algebraic multiplicities and existence of nonreal eigenvalues.