A note on range-kernel uncomplementation

This note exhibits a Banach-space operator such that neither the range nor the kernel is complemented both for the operator and its adjoint

Bibliographic Details
Main Authors: Kubrusly Carlos, Duggal Bhagwati Prashad
Format: Article
Language:English
Published: De Gruyter 2017-10-01
Series:Demonstratio Mathematica
Subjects:
Online Access:http://www.degruyter.com/view/j/dema.2017.50.issue-1/dema-2017-0027/dema-2017-0027.xml?format=INT
Description
Summary:This note exhibits a Banach-space operator such that neither the range nor the kernel is complemented both for the operator and its adjoint
ISSN:2391-4661