Aymen Ammar, Chaimaa Bouchama, Aref Jeribi
abstract:
In this research paper, we introduce the concept of pseudo ellipsoid spectrum in
a right quaternionic Hilbert space and display some properties of this concept.
Furthermore, we give a characterization of the Weyl pseudo ellipsoid spectrum in
Hilbert space.
Mathematics Subject Classification: 47B20, 47A75
Key words and phrases: Quaternionic Hilbert space, pseudo ellipsoid spectrum