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

By George A. Anastassiou

This monograph provides univariate and multivariate classical analyses of complex 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. broad historical past and motivations are given in every one bankruptcy with a accomplished record of references given on the finish. the themes coated are wide-ranging and various. contemporary advances on Ostrowski kind inequalities, Opial kind inequalities, Poincare and Sobolev kind inequalities, and Hardy-Opial sort inequalities are tested. Works on traditional and distributional Taylor formulae with estimates for his or her remainders and purposes in addition to Chebyshev-Gruss, Gruss and comparability of capacity inequalities are studied. the consequences provided are quite often optimum, that's the inequalities are sharp and attained. purposes in lots of parts of natural and utilized arithmetic, equivalent to mathematical research, likelihood, usual and partial differential equations, numerical research, details conception, etc., are explored intimately, as such this monograph is acceptable for researchers and graduate scholars. it is going to be an invaluable instructing fabric at seminars in addition to a useful reference resource in all technology libraries.

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Additional info for Advanced Inequalities (Series on Concrete and Applicable Mathematics)

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Xn )| ≤ j k−1 · ω1 k=1 xj − a j (bj − aj )k−1 Bk k! bj − a j ∂ f · · · , xj+1 , . . , xn ), bj − aj , for all j = 1, . . , n. 76) k−1 ∂xj Putting together all these above auxilliary results, we derive the following multivariate Ostrowski type inequalities. 32. 20. Let Em (x1 , x2 , . . 44) and Aj for j = 1, . . 45), m ∈ N. In particular we suppose that j ∂mf · · · , xj+1 , . . , xn ∈ L∞ ∂xm j j [ai , bi ] , i=1 n for any (xj+1 , . . , xn ) ∈ [ai , bi ], all j = 1, . . , n. Then i=j+1 f |Em (x1 , .

2) that (b − a)n−1 x−a x−t ∆n (x) = Bn − Bn∗ f (n) (t)dt. 4) n! b − a b − a [a,b] In this chapter we give sharp, namely attained, upper bounds for |∆4 (x)| and tight upper bounds for |∆n (x)|, n ≥ 5, x ∈ [a, b], with respect to L∞ norm. 1) for higher order derivatives. High computational difficulties in this direction prevent us for shoming sharpness for n ≥ 5 cases. 2. Let f : [a, b] → R be such that f (n−1) , n ≥ 1, is a continuous function and f (n) (x) exists and is finite for all but a countable set of x in (a, b) and that f (n) ∈ L∞ ([a, b]).

Xn ) ∈ |Bj | ≤ [ai , bi ], xj ∈ [aj , bj ]. 51) we get (bj − aj )m−1 m! −  × [ai ,bi ] (bi − ai ) i=1 ds1 · · · dsj ∂mf (s1 , . . , sj , xj+1 , . . , xn ) ∂xm j j [ai ,bi ] j−1 j−1 m! i=1 − qj i=1 (bj − aj )m−1 = 1/pj pj xj − s j bj − a j ∗ Bm xj − a j bj − a j Bm j j−1 i=1 = i=j+1 ∗ Bm i=1 (bi − ai ) 1/pj xj − s j bj − a j pj m− q1 j−1 (bj − aj ) m! 59) Bm (λj ) aj ∂mf (· · · , xj+1 , . . 60) j qj , [ai ,bi ] i=1 −1/qj (bi − ai ) i=1 1/pj 1 |Bm (λj ) 0 ∂mf (· · · , xj+1 , . . , xn ) ∂xm j − Bm (tj )|pj dtj .

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