On commutativity of projectors

Radosław Kala

ArticleOriginal scientific text

Title

On commutativity of projectors

Authors ¹

Affiliations

Department of Mathematical and Statistical Methods, Agricultural University of Poznań, Wojska Polskiego 28, PL 60-637 Poznań, Poland

Abstract

It is shown that commutativity of two oblique projectors is equivalent with their product idempotency if both projectors are not necessarily Hermitian but orthogonal with respect to the same inner product.

Keywords

ENG

oblique projector, orthogonal projector, commutativity

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Title

On commutativity of projectors

Affiliations

Abstract

Keywords

Bibliography