Polynômes de degré minimum connectant deux projections dans une algèbre de Banach. (Polynomials of minimal degree connecting two projections in a Banach algebra)
type: Item
instance of: scholarly article
title: Polynômes de degré minimum connectant deux projections dans une algèbre de Banach. (Polynomials of minimal degree connecting two projections in a Banach algebra)
zbMATH Open document ID: 0617.46054
DOI: 10.1016/0024-3795(85)90270-8
author: Michel Tremon
published in: Linear Algebra and its Applications
publication date: 1985-01-01T00:00:00Z
review text: Two similar idempotents in a Banach algebra, whose difference is invertible, can be connected within the set of idempotents by a polynomial of degree at most 3. For matrix algebras the assumption on the difference can be dropped.
Mathematics Subject Classification ID: 46H05
zbMATH DE Number: 4000760
zbMATH Keywords: similar idempotents in a Banach algebra
zbMATH Keywords: matrix algebras
reviewed by: Jaroslav Zemánek
MaRDI profile type: Publication
full work available at URL: 0024-3795(85)90270-8
OpenAlex ID: W2057619600
cites work: Projections in Real Banach Algebras
cites work: Spectral classification of projections
cites work: Polynomial Connections between Projections in Banach Algebras
cites work: Q4173837
cites work: Algebras generated by two idempotents
cites work: Idempotents in Banach Algebras
description: scientific article; zbMATH DE number 4000760