𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Isometries of a generalized numerical radius

✍ Scribed by Maria Inez Cardoso Gonçalves; Ahmed Ramzi Sourour


Book ID
104037455
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
152 KB
Volume
429
Category
Article
ISSN
0024-3795

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Generalized Stability of Isometries
✍ Gregor Dolinar 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 127 KB

Let X and Y be real Banach spaces and let , p G 0. A mapping f : X ª Y is Ž . < 5 Ž . Ž .5 5 5 < 5 5 p called an , p -isometry if f x y f y y x y y F x y y holds for all Ž . x, y g X. A pair X, Y is p-stable with respect to isometries if there exists a w . w . Ž. function ␦ : 0,ϱ ª 0, ϱ with lim ␦ s