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Improvement and further generalization of inequalities of Ostrowski-Grüss type. (English) Zbl 0952.26013

The authors extend and improve certain Ostrowski-Grüss type inequalities due to Dragomir and Wang; as well as to Cerone, Dragomir and Roumeliotis. Further, they apply the obtained results to the estimation of error bounds for some quadrature rules. The obtained inequalities, as usual in many other papers, are applied to certain special means (as the identric or logarithmic means of two arguments). However, these results are not compared to the many existing strong inequalities in the literature.

MSC:

26D15 Inequalities for sums, series and integrals
65D32 Numerical quadrature and cubature formulas
26E60 Means
Full Text: DOI

References:

[1] Mitrinović, D. S.; Pečarić, J. E.; Fink, A. M., Inequalities Involving Functions and Their Integrals and Derivatives (1991), Kluwer Academic,: Kluwer Academic, Dordrecht · Zbl 0744.26011
[2] Dragomir, S. S.; Wang, S., An inequality of Ostrowski-Grüss type and its applications to the estimation of error bounds for some special means and for some numerical quadrature rules, Computers Math. Applic., 33, 11, 16-20 (1997) · Zbl 0880.41025
[3] P. Cerone, S.S. Dragomir and J. Roumeliotis, An inequality of Ostrowski-Grüss type for twice differentiable mappings and applications in numerical integration (submitted).; P. Cerone, S.S. Dragomir and J. Roumeliotis, An inequality of Ostrowski-Grüss type for twice differentiable mappings and applications in numerical integration (submitted). · Zbl 0959.26009
[4] Mitrinović, D. S.; Pečarić, J. E.; Fink, A. M., Classical and New Inequalities in Analysis (1993), Kluwer Academic,: Kluwer Academic, Dordrecht · Zbl 0771.26009
[5] Cerone, P.; Dragomir, S. S.; Roumeliotis, J., Some Ostrowski type inequalities for \(n\)-time differentiable mappings and applications, RGMIA, Research Report Collection,, Volume 1, No. 1 (1998) · Zbl 0959.26010
[6] Bullen, P. S.; Mitrinović, D. S.; Vasić, P. M., Means and Their Inequalities (1988), D. Reidel,: D. Reidel, Dordrecht · Zbl 0687.26005
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