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The Hypo-Euclidean Norm of an $n-$tuple of Vectors in Inner Product Spaces and Applications  
 
  Authors: Sever S. Dragomir,  
  Keywords: Inner product spaces, Norms, Bessel's inequality, Boas-Bellman and Bombieri inequalities, Bounded linear operators, Numerical radius.  
  Date Received: 19/03/07  
  Date Accepted: 28/04/07  
  Subject Codes:

Pri: 47C05, 47C10; Sec: 47A12.

 
  Editors: John Michael Rassias,  
 
  Abstract:

The concept of hypo-Euclidean norm for an n-tuple of vectors in inner product spaces is introduced. Its fundamental properties are established. Upper bounds via the Boas-Bellman [1]-[3] and Bombieri [2] type inequalities are provided. Applications for n-tuples of bounded linear operators defined on Hilbert spaces are also given.;



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