Riv.Mat.Univ.Parma (7) 5 (2006)

SEVER S. DRAGOMIR

Bessel type inequalities for non-orthonormal families of vectors in inner product spaces

Pages 93-102
Received: 8 September 2005    Revised: 29 November 2005
Mathematics Subject Classification (2000): 46C05 - 26D15

Abstract Some sharp Bessel type inequalities for non-orthonormal families of vectors in inner product spaces are given. Applications for complex numbers are also provided.


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