q-deformed circularity for an unbounded operator in Hilbert space

• Autorzy: Schôichi Ôta
• Języki publikacji: EN

Abstrakty

EN

The notion of strong circularity for an unbounded operator is introduced and studied. Moreover, q-deformed circularity as a q-analogue of circularity is characterized in terms of the partially isometric and the positive parts of the polar decomposition.

Kategorie tematyczne

• 47A05: General (adjoints, conjugates, products, inverses, domains, ranges, etc.)
• 47B25: Symmetric and selfadjoint operators (unbounded)
• 81R50: Quantum groups and related algebraic methods

• Wydawca: Institute of Mathematics Polish Academy of Sciences
• Czasopismo: Colloquium Mathematicum
• Rocznik: 2010
• Tom: 120
• Numer: 2
• Strony: 191-199

Daty

wydano

2010

Twórcy

autor

Schôichi Ôta

• Department of Content and Creative Design, Kyushu University, 4-9-1 Shiobaru, Fukuoka 815-8540, Japan

Identyfikatory

DOI

10.4064/cm120-2-2