On the Essential Spectrum of Hypoelliptic Pseudo-differential Operators

Autor: Andrea Ziggioto, Ernesto Buzano
Jazyk: angličtina
Rok vydání: 2008
Předmět:
Popis: We describe the essential spectrum of a hypoelliptic pseudo-differential operator which is the sum of a constantcoefficients operator and an operator with coefficients vanishing at infinity. (© 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Databáze: OpenAIRE