On the minimum gap and the angle between two subspaces
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摘要
In this note, we give the expressions of the minimum gap and the angle between two closed subspaces of a Hilbert space in terms of the properties of the projections on these subspaces.
论文关键词：46C07,46C05,Angle between two subspaces,Minimum gap between two subspaces,Positive operator
论文评审过程：Received 20 May 2006, Available online 25 September 2006.
论文官网地址：https://doi.org/10.1016/j.cam.2006.08.010
