Frames on Krein Spaces

Published 24 Jun 2014 in math.FA | (1406.6205v1)

Abstract: In this article we define frame for a Krein space K with a J-orthonormal basis and extend the notion of frame sequence and frame potential analogous to Hilbert spaces.We show that every frame is a sum of three orthonormal bases of a Krein space. We also find relation between frame and orthogonal projections on Krein space.

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