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  • Research Article
  • Open Access

Some inequalities for sums of nonnegative definite matrices in quaternions

Journal of Inequalities and Applications20052005:385246

https://doi.org/10.1155/JIA.2005.449

  • Received: 9 January 2004
  • Published:

Abstract

Some matrix versions of the Cauchy-Schwarz and Frucht-Kantorovich inequalities are established over the quaternionic algebra. As applications, a group of inequalities for sums of Hermitian nonnegative definite matrices over the quaternionic algebra are derived.

Authors’ Affiliations

(1)
School of Economics, Shanghai University of Finance and Economics, 777 Guoding Road, Shanghai, 200433, China
(2)
Department of Mathematics and Statistics, McGill University, Montréal, Québec, H3A 2K6, Canada

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