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Cauchy-schwarz functionals

Published online by Cambridge University Press:  17 April 2009

Y. J. Cho
Affiliation:
Department of Mathematics, Gyeongsang National University, Chinju, Korea
S. S. Dragomir
Affiliation:
Department of Mathematics, Dongeui University, Pusan 614–714, Korea
S. S. Kim
Affiliation:
School of Communication and Informatics, Victoria University of Technology, PO Box 14428, Melbourne Vic. 8001, Australia
C. E. M. Pearce
Affiliation:
Applied Mathematics Department, The University of Adelaide, Adelaide SA 5005, Australia
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Abstract

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We treat a class of functionals which satisfy the Cauchy–Schwarz inequality. This appears to be a natural unifying concept and subsumes inter alia isotonic linear functional and sublinear positive isotonic functionals. Striking superadditivity and monotonicity properties are derived.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 2000

References

[1]Dragomir, S.S. and Sándor, J., ‘Some inequalities in prehilbertian spaces’,in Proceedings of the National Conference on Geometry and Topology,1987 (Univ. Bucureşti, Bucharestol, 1988), pp. 7376.Google Scholar
[2]Dragomir, S.S., ‘On an inequality of Tiberiu Popoviciu I’, (Preprint 89–6), in Seminar on functional equations, approximation and convexity (University Babeş-Bolyai, Cluj-Napoca, 1989), pp. 139145.Google Scholar
[3]Dragomir, S.S., ‘On some operatorial inequalities in Hilbert spaces’, Bul. Ştiinţ. Inst. Politehn. Cluj-Napoca Ser. Mat. Mec. Apl. Construc. MaŞ. 30 (1987), 2328.Google Scholar
[4]Dragomir, S.S., ‘Inequality of Cauchy–Buniakowski–Schwarz's type for positive linear functionals’, Gaz. Metod. 9 (1988), 162166.Google Scholar
[5]Dragomir, S.S., ‘Some refinements of Cauchy–Schwarz's inequality’, Gaz. Mat. Metod. 10 (1989), 9395.Google Scholar
[6]Dragomir, S.S.On Cauchy–Buniakowski–Schwarz inequality for isotonic functional, Seminar on optimization theory 8 (1989), 2734.Google Scholar
[7]Dragomir, S.S. and Ionescu, N.M., ‘Some refinement of Cauchy–Buniakowski–Schwarz in-equality for sequences’,in Proceedings of the Third Symp. Of Math. and its Appl.(1989) (Rom. Acad., Timişoara, 1990), pp. 7982.Google Scholar
[8]Dragomir, S.S. and Arslangić, S.Z., ‘An improvement of Cauchy–Buniakowski–Schwarz's inequality’, Mat. Bilten. 16 (1992), 7780.Google Scholar
[9]Dragomir, S.S., Milošević, D.M. and Arslangić, S.Z., ‘A Cauchy–Buniakowski–Schwarz inequality for Lipschitzian functions’, Zb. Rad. (Kraguejevac) 14 (1993), 2528.Google Scholar
[10]Mitrinović, D.S., Pečarić, J.E. and Fink, A.M., Classical and new inequalities in analysis (Kluwer, Dordrecht, 1993).CrossRefGoogle Scholar