Advanced Inequalities - download pdf or read online

By George A. Anastassiou

ISBN-10: 9814317632

ISBN-13: 9789814317634

This monograph provides univariate and multivariate classical analyses of complex inequalities. This treatise is a end result of the author's final 13 years of analysis paintings. The chapters are self-contained and several other complex classes could be taught out of this publication. broad history and motivations are given in every one bankruptcy with a complete record of references given on the finish.

the subjects lined are wide-ranging and various. contemporary advances on Ostrowski variety inequalities, Opial style inequalities, Poincare and Sobolev sort inequalities, and Hardy-Opial variety inequalities are tested. Works on traditional and distributional Taylor formulae with estimates for his or her remainders and functions in addition to Chebyshev-Gruss, Gruss and comparability of skill inequalities are studied.

the consequences provided are more often than not optimum, that's the inequalities are sharp and attained. purposes in lots of parts of natural and utilized arithmetic, corresponding to mathematical research, likelihood, usual and partial differential equations, numerical research, details idea, etc., are explored intimately, as such this monograph is acceptable for researchers and graduate scholars. will probably be an invaluable educating fabric at seminars in addition to a useful reference resource in all technology libraries.

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Example text

The values Bk = Bk (0), k ≥ 0 are the known Bernoulli numbers. We need to mention 1 1 B0 (t) = 1, B1 (t) = t − , B2 (t) = t2 − t + , 2 6 3 1 1 B3 (t) = t3 − t2 + t, B4 (t) = t4 − 2t3 + t2 − , 2 2 30 5 1 5 t2 1 5 . B5 (t) = t5 − t4 + t3 − t, and B6 (t) = t6 − 3t5 + t4 − + 2 3 6 2 2 42 ∗ Let {Bk (t), k ≥ 0} be a sequence of periodic functions of period 1, related to Bernoulli polynomials as Bk∗ (t) = Bk (t), Bk∗ (t + 1) = Bk∗ (t), 0 ≤ t < 1, 21 t ∈ R. 5in Book˙Adv˙Ineq ADVANCED INEQUALITIES 22 We have that B0∗ (t) = 1, B1∗ is a discontinuous function with a jump of −1 at each integer, while Bk∗ , k ≥ 2 are continuous functions.

Vol(Q) Q ∂z i ∞ i=1 Furthermore, the last inequality is sharp : when n is odd it is attained by ≤ k f ∗ (z1 , . . , zk ) := i=1 (zi − x0i )n+1 , while when n is even the optimal function is k f˜(z1 , . . , zk ) := i=1 |zi − x0i |n+αi , αi > 1. 7 motivate this chapter in the multivariate setting. 21. 60. 59. There are produced many multivariate Ostrowski type inequalities for differentiation orders m = 1, . . , 6, mostly related to multivariate trapezoid and midpoint rules. 59. The surprising fact there is, that only a very small number of sets of boundary conditions is needed comparely to the higher order of differentiation of the involved functions.

The last inequality appeared first as Theorem 7, p. 350, in [98], wrongly under the sole assumption of f (n) ∈ L∞ ([a, b]). 4 along with [35], [98] are the greatest motivations for the Euler identity method we use in this chapter. 5. Let f ∈ C 1 − and let → x 0 := (x01 , . . , x0k ) ∈ b1 1 k i=1 (bi − ai ) a1 i=1 k [ai , bi ] , where ai < bi ; ai , bi ∈ R, i = 1, . . , k, [ai , bi ] be fixed. Then i=1 bi ··· k ≤ n i=1 ai bk ··· ak − f (z1 , . . , zk )dz1 · · · dzk − f (→ x 0) (x0i − ai )2 + (bi − x0i )2 2(bi − ai ) ∂f ∂zi The last inequality is sharp, here the optimal function is k f ∗ (z1 , .

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Advanced Inequalities by George A. Anastassiou

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