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On strengthened weighted Carleman's inequality

Published online by Cambridge University Press:  17 April 2009

Aleksandra Čižmešija
Affiliation:
Department of Mathematics, University of Zagreb, Bijenička cesta 30, 10000 Zagreb, Croatia, e-mail: [email protected]
Josip Pecarić
Affiliation:
Department of Mathematics, Luleå University of Technology, SE – 971 87 Luleå, Sweden, e-mail: [email protected]
Lars–Erik Persson
Affiliation:
Faculty of Textile Technology, University of Zagreb, Pierottigera 6, 10000 Zagreb, Croatia, e-mail: [email protected]
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Abstract

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In this paper we prove a new refinement of the weighted arithmetic-geometric mean inequality and apply this result in obtaining a sharpened version of the weighted Carleman's inequality.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 2003

References

[1]Carleman, T., ‘Sur les fonctions quasi–analytiques’, Comptes rendus du Ve Congres des Mathematiciens Scandinaves, Helsingfors (1922), 181196.Google Scholar
[2]Čižmešija, A. and Pečarić, J., ‘Mixed means and Hardy's inequality’, Math. Inequal. Appl. 1 (1998), 491506.Google Scholar
[3]Čižmešija, A. and Pečarić, J., ‘Classical Hardy's and Carleman's inequalities and mixed means’, in Survey on Classical Inequalities, (Rassias, T.M., Editor) (Kluwer Academic Publishers, Dordrecht, Boston, London, 2000), pp. 2765.CrossRefGoogle Scholar
[4]Gyllenberg, M. and Yan, P., ‘On a conjecture by Yang’, J. Math. Anal. Appl. 264 (2001), 687690.CrossRefGoogle Scholar
[5]Hardy, G.H., ‘Notes on some points in the integral calculus (60)’, Messenger of Math. 54 (1925), 150156.Google Scholar
[6]Hardy, G.H., Littlewood, J.E. and Pólya, G., Inequalities, (2nd edition) (Cambridge University Press, Cambridge, 1967).Google Scholar
[7]Johansson, M., Persson, L.-E. and Wedestig, A., ‘Carleman's inequality – history, proofs and some new generalizations’, JIPAM. J. Inequal. Pure Appl. Math (to appear).Google Scholar
[8]Johansson, M., Persson, L.-E. and Wedestig, A., ‘Carlemans olikhet – historik, skärpningar och generaliseringar’, (in Swedish), Normat (to appear).Google Scholar
[9]Kaijser, S., Persson, L.-E. and Öberg, A., ‘On Carleman and Knopp's inequalities’, J. Approx. Theory 117 (2002), 140151.CrossRefGoogle Scholar
[10]Mitrinović, D.S., Pečarić, J.E. and Fink, A.M., Inequalities involving functions and their integrals and derivatives (Kluwer Academic Publishers, Dordrecht, Boston, London, 1991).CrossRefGoogle Scholar
[11]Mitrinović, D.S., Pečarić, J.E. and Fink, A.M., Classical and new inequalities in analysis (Kluwer Academic Publishers, Dordrecht, Boston, London, 1993).CrossRefGoogle Scholar
[12]Pečarić, J. and Stolarsky, K.B., ‘Carleman's inequality: history and new generalizations’, Aequationes Math. 61 (2001), 4962.Google Scholar
[13]Xie, Z. and Zhong, Y., ‘A best approximation for constant e and an improvement to Hardy's inequality’, J. Math. Anal. Appl. 252 (2000), 994998.Google Scholar
[14]Yan, P. and Sun, G., ‘A strengthened Carleman inequality’, J. Math. Anal. Appl. 240 (1999), 290293.Google Scholar
[15]Yang, B., ‘On Hardy's inequality’, J. Math. Anal. Appl. 234 (1999), 717722.Google Scholar
[16]Yang, X., ‘On Carleman's inequality’, J. Math. Anal. Appl. 253 (2001), 691694.CrossRefGoogle Scholar
[17]Yang, X., ‘Approximations for constant e and their applications’, J. Math. Anal. Appl. 262 (2001), 651659.CrossRefGoogle Scholar
[18]Yuan, B.-Q., ‘Refinements of Carleman's inequality’, JIPAM. J. Inequal. Pure Appl. Math. (Article 21, pp. 4, electronic) 2 (2001).Google Scholar