Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4621956 | Journal of Mathematical Analysis and Applications | 2007 | 7 Pages |
Abstract
We investigate linear properties of mappings from a bounded domain of an n-dimensional normed space into another n-dimensional normed space such that the image of some almost biorthogonal system is almost biorthogonal. In this way we generalize a result of the author on stability of orthogonality in Euclidean spaces.
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Mathematics
Analysis