𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On commutativity and the numerical range in Banach algebras

✍ Scribed by J.P Williams


Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
176 KB
Volume
10
Category
Article
ISSN
0022-1236

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Prime-like Elements and Semi-direct Prod
✍ Marc P. Thomas πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 423 KB

We develop results which show that elements in the radical of a commutative Banach algebra are often precluded from having prime-like properties if we avoid certain exceptional situations involving torsion elements. This makes the proof of the Singer-Wermer conjecture conceptually much clearer. It a

On characterizations of the image of the
✍ Jyunji Inoue; Sin-Ei Takahasi πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 285 KB

## Abstract In this paper, we propose a new method to characterize in terms of β€œquasi‐topology” the image of Gelfand transform of commutative Banach algebras. Our studies in this paper were inspired by the work of R. Doss in 1967–1968. Among other things, we consider a generalization of Doss' resu

Factorization in a Banach Algebra and th
✍ M. C. CΓ’mara πŸ“‚ Article πŸ“… 1995 πŸ› John Wiley and Sons 🌐 English βš– 757 KB

The Gelfand transform is used to reduce the Wiener-Hopf factorization of a class of n x n matrix-valued functions to that of a scalar function. The complete factorization is obtained, including the partial indices.