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Approximately invariant subspaces for unbounded linear operators. II

✍ Scribed by Palle E. T. Jørgensen

Publisher
Springer
Year
1977
Tongue
English
Weight
307 KB
Volume
227
Category
Article
ISSN
0025-5831

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📜 SIMILAR VOLUMES

Invariant subspaces for tridiagonal oper
Invariant subspaces for tridiagonal operators
✍ Sophie Grivaux 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 113 KB

We consider certain complex sequence spaces X indexed by N with the canonical basis (δ n ) n 1 . Let T ∈ L(X) be a tridiagonal operator on X. Assume that the associated matrix (t i,j ) i,j 1 has real entries and satisfies the weak symmetry condition that for every integer n 1, t n,n+1 t n+1,n 0. The