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  • 1 Mathematics, School of Engineering & Science, Victoria University, PO Box 14428, Melbourne City, MC 8001, Australia
  • 2 School of Computational & Applied Mathematics, University of the Witwatersrand, Private Bag 3, Johannesburg, 2050 South Africa
  • 3 College 12, Reşiţa, Jud, Caraş-Severin, Romania
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Abstract  

The quasilinearity of certain composite functionals associated to Schwarz’s celebrated inequality for inner products is investigated. Applications for operators in Hilbert spaces are given as well.