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Quadratically hyponormal weighted shifts

✍ Scribed by Raúl E. Curto


Book ID
105112667
Publisher
SP Birkhäuser Verlag Basel
Year
1990
Tongue
English
Weight
571 KB
Volume
13
Category
Article
ISSN
0378-620X

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On M-hyponormal weighted shifts
✍ Jung Sook Ham; Sang Hoon Lee; Woo Young Lee 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 182 KB

Let α ≡ {α n } ∞ n=0 be a weight sequence and let W α denote the associated unilateral weighted shift on 2 (Z + ). In this paper we prove that if α is eventually increasing, then W α is M-hyponormal and that if α has exactly two subsequential limits such that the larger one is different from the spe