Mahesh Krishna, K.Johnson, P.2026-02-052021Journal of Interdisciplinary Mathematics, 2021, 24, 7, pp. 1751-17609720502https://doi.org/10.1080/09720502.2021.1891698https://idr.nitk.ac.in/handle/123456789/23459A very useful identity for Parseval frames for Hilbert spaces was obtained by Balan, Casazza, Edidin, and Kutyniok. In this paper, we obtain a similar identity for Parseval p-approximate Schauder frames for Banach spaces which admits a homogeneous semi-inner product in the sense of Lumer-Giles. © 2021 Taru Publications.42C1546B2546C50Approximate Schauder frameFrameFrame identity