Numerical index with respect to an operator

• Autorzy: Mohammad Ali Ardalani
• Języki publikacji: EN

Abstrakty

EN

We introduce new concepts of numerical range and numerical radius of one operator with respect to another one, which generalize in a natural way the known concepts of numerical range and numerical radius. We study basic properties of these new concepts and present some examples.

Kategorie tematyczne

• 46E15: Banach spaces of continuous, differentiable or analytic functions
• 46B20: Geometry and structure of normed linear spaces
• 46B10: Duality and reflexivity
• 47A12: Numerical range, numerical radius

• Wydawca: Institute of Mathematics Polish Academy of Sciences
• Czasopismo: Studia Mathematica
• Rocznik: 2014
• Tom: 225
• Numer: 2
• Strony: 165-171

Daty

wydano

2014

Twórcy

autor

Mohammad Ali Ardalani

• Department of Mathematics, Faculty of Science, University of Kurdistan, Pasdaran Ave., Postal Code 66177-15175, Sanandaj, Iran

Identyfikatory

DOI

10.4064/sm225-2-3