George A. Anastassiou's Advanced Inequalities (Series on Concrete and Applicable PDF

By George A. Anastassiou

ISBN-10: 9814317624

ISBN-13: 9789814317627

This monograph offers univariate and multivariate classical analyses of complicated inequalities. This treatise is a fruits of the author's final 13 years of study paintings. The chapters are self-contained and several other complex classes will be taught out of this booklet. large historical past and motivations are given in each one bankruptcy with a finished record of references given on the finish. the themes lined are wide-ranging and various. fresh advances on Ostrowski variety inequalities, Opial sort inequalities, Poincare and Sobolev kind inequalities, and Hardy-Opial kind inequalities are tested. Works on usual and distributional Taylor formulae with estimates for his or her remainders and purposes in addition to Chebyshev-Gruss, Gruss and comparability of potential inequalities are studied. the implications provided are generally optimum, that's the inequalities are sharp and attained. functions in lots of parts of natural and utilized arithmetic, reminiscent of mathematical research, likelihood, usual and partial differential equations, numerical research, details thought, etc., are explored intimately, as such this monograph is appropriate for researchers and graduate scholars. will probably be an invaluable instructing fabric at seminars in addition to a useful reference resource in all technology libraries.

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Extra resources for Advanced Inequalities (Series on Concrete and Applicable Mathematics)

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Xj+1 , . . , xn ) ∂x2r+1 j j 1, [ai ,bi ] i=1 xj − a j 2(2r + 1)! + B2r+1 (2π)2r+1 (1 − 2−2r ) bj − a j . 82) And at last 3) When m = 1, then n |E1f (x1 , . . , xn )| ≤ 1 j−1 j=1 i=1 1 + xj − 2 × Proof. (bi − ai ) ∂f (. . , xj+1 , . . , xn ) ∂xj j 1, [ai ,bi ] i=1 aj + b j 2 . 28. 35. 10, m, n ∈ N, xi ∈ [ai , bi ], i = 1, 2, . . , n. 46), for j = 1, . . , n. Then f (x1 , . . , xn ) − j=1 n (bi − ai ) i=1 n m−1 n ≤ 1 n |Bj | + j=1 xj − a j bj − a j k=1 ω1 [ai ,bi ] f (s1 , s2 , . . , sn )ds1 ds2 · · · dsn i=1 (bj − aj )k−1 Bk k!

8. Additionally suppose that f (n) p > 1. Here p, q : p1 + q1 = 1. Then f (x) − n−2 · b 1 (g(b) − g(a)) b f (s1 )dg(s1 ) − a b f (k+1) (s1 )dg(s1 ) · a k=0 a p < +∞, 1 (g(b) − g(a)) b ··· P (g(x), g(s1 )) a k · i=1 P (g(si ), g(si+1 )) · ds1 · · · dsk+1 ≤ f (n) b p · a n−2 b ··· |P (g(x), g(s1 ))| · a · P (g(sn−1 ), g(sn )) q,sn i=1 |P (g(si ), g(si+1 ))| · ds1 ds2 · · · dsn−1 . 34) Finally we present L1 Ostrowski type results. 24. 4. Additionally suppose that f (n) Then |θ1,n | ≤ f (n) b 1 · a · P (sn−1 , •) ∞ a < +∞.

Then for any i=j+1 n (xj , xj+1 , . . , xn ) ∈ [ai , bi ] we have i=j |Bj | = |Bj (xj , xj+1 , . . , xn )| (bj − aj ) ≤ m! m− q1 j − Bm (tj ) (bi − ai ) i=1 1/pj pj dtj −1/qj j−1 1 Bm 0 ∂mf (· · · , xj+1 , . . , xn ) ∂xm j xj − a j bj − a j . 5in Book˙Adv˙Ineq Multidimensional Euler Identity and Optimal Multidimensional Ostrowski Inequalities 47 When pj = qj = 2, then we obtain 1 (bj − aj )m− 2 |Bj | ≤ m! )2 xj − a j 2 |B2m | + Bm (2m)! bj − a j (bi − ai ) m × ∂ f (· · · , xj+1 , . . , xn ) ∂xm j .

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Advanced Inequalities (Series on Concrete and Applicable Mathematics) by George A. Anastassiou


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