Exponentials of bounded normal operators

• Autorzy: Aicha Chaban , Mohammed Hichem Mortad
• Języki publikacji: EN

Abstrakty

EN

The present paper is mainly concerned with equations involving exponentials of bounded normal operators. Conditions implying commutativity of normal operators are given, without using the known 2πi-congruence-free hypothesis. This is a continuation of a recent work by the second author.

Kategorie tematyczne

• 47A60: Functional calculus
• 47A10: Spectrum, resolvent

• Wydawca: Institute of Mathematics Polish Academy of Sciences
• Czasopismo: Colloquium Mathematicum
• Rocznik: 2013
• Tom: 133
• Numer: 2
• Strony: 237-244

Daty

wydano

2013

Twórcy

autor

Aicha Chaban

• Department of Mathematics, University of Chlef (Hassiba Benbouali), BP 151, Chlef, 20000, Algeria

autor

Mohammed Hichem Mortad

• Department of Mathematics, University of Oran, BP 1524, El Menouar, Oran 31000, Algeria
• BP 7085 Seddikia, Oran 31013, Algeria

Identyfikatory

DOI

10.4064/cm133-2-10