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A formula for angles between subspaces of inner product spaces

Gunawan H.a, Neswan O.a, Setya-Budhi W.a

a Department of Mathematics, Bandung Institute of Technology, Indonesia

Abstract

We present an explicit formula for angles between two subspaces of inner product spaces. Our formula serves as a correction for, as well as an extension of, the formula proposed by Risteski and Trenčevski [13]. As a consequence of our formula, a generalized Cauchy-Schwarz inequality is obtained. © 2005 Heldermann Verlag.

Author keywords

Indexed keywords

Angles between subspaces,Canonical angles,Generalized Cauchy-Schwarz inequality

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