首页|REFINEMENTS OF THE NORM OF TWO ORTHOGONAL PROJECTIONS
REFINEMENTS OF THE NORM OF TWO ORTHOGONAL PROJECTIONS
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万方数据
维普
In this paper,some refinements of norm equalities and inequalities of combination of two orthogonal projections are established.We use certain norm inequalities for positive contraction operator to establish norm inequalities for combination of orthogonal projections on a Hilbert space.Furthermore,we give necessary and sufficient conditions under which the norm of the above combination of orthogonal projections attains its optimal value.
万方数据
维普
