... 2002 [12] M Johansson, L.-E Persson, and A Wedestig, Carlemans inequality- history, proofs and some new generalizations,” Journal of Inequalities in Pure and Applied Mathematics, vol 4, no 3, ... Mathematical Analysis and Applications, vol 234, no 2, pp 717–722, 1999 [3] P Yan and G.-Z Sun, “A strengthened Carlemans inequality, ” Journal of Mathematical Analysis and Applications, vol 240, no ... Journal of Inequalities in Pure and Applied Mathematics, vol 2, no 2, article 21, pp 1–4, 2001 ¨ [11] S Kaijser, L.-E Persson, and A Oberg, “On Carlemanand Knopp s inequalities,” Journal of Approximation...
... 2002 [12] M Johansson, L.-E Persson, and A Wedestig, Carlemans inequality- history, proofs and some new generalizations,” Journal of Inequalities in Pure and Applied Mathematics, vol 4, no 3, ... Mathematical Analysis and Applications, vol 234, no 2, pp 717–722, 1999 [3] P Yan and G.-Z Sun, “A strengthened Carlemans inequality, ” Journal of Mathematical Analysis and Applications, vol 240, no ... Journal of Inequalities in Pure and Applied Mathematics, vol 2, no 2, article 21, pp 1–4, 2001 ¨ [11] S Kaijser, L.-E Persson, and A Oberg, “On Carlemanand Knopp s inequalities,” Journal of Approximation...
... purpose of this work is to give extensions of inequalities (3) and (4) and establish their corresponding reversed versions Moreover, the obtained results will be applied to improve Hao Z-C inequality ... inequality [31] and Beckenbach-type inequality that is due to Wang [32] The rest of this paper is organized as follows In Section 2, we present extensions of (3) and (4) and establish their corresponding ... (27) The classical arithmetic-geometric mean inequality is one of the most important inequalities in analysis This classical inequality has been widely studied by many authors, and it has motivated...
... λc, s1 , s2 (x) = s2 λc,ϕ,ψ (x) + − s2 (s1 = 0) (3) and λc, s1 , s2 (x) = s2 s − s1 − s1 s1 λc,ϕ,ψ (x) − s1 −1 s1 (s1 = 0) (4) for each x Î I\{c} If s1 = 0, then it is trivial by (3) that λc, s1 ... first result asserts that a -mean function: ∇ ® M (f) is well defined and order preserving, and this assertion simultaneously gives a new interpretation of Jensen sinequality However, this ... function: s ® M(1 -s) +s (f) is strictly monotone increasing and continuous on [0, ∞) Proof (i) Suppose that ϕ, ψ − ϕ ∈ C+ (I) For each s ≥ 1, put s = (1 - s) + s Since sm s = + s( ψ - ),...
... have special case of s1 s2 /2 if s1 < s2 and for t s1 , r s2 , ands s1 s2 /2 3.28 for t s1 , s s2 , and r if s2 < s1 Similarly by setting m in 3.36 , we have special case of 3.29 for r s1 , s s1 ... special case of s1 s2 /2 if s1 < s2 and for t s1 , r s2 , ands s1 s2 /2 if 3.39 for t s1 , s s2 , r s2 < s1 Similarly by setting m in 3.44 , we have special case of 3.40 for r s1 , s s2 , s1 ... s2 /2 if s2 < s1 and t s1 s2 /2 if s1 < s2 and for r s2 , s s1 , and t Acknowledgments The research of the first and second authors was funded by Higher Education Commission, Pakistan The research...
... Inequalities and Applications holds for every x, y ∈ I It is clear that every convex function is Jensen-convex To see that the class of convex functions is a proper subclass of Jensen-convex functions, ... proof, see 2, page 71 or 1, page 53 A class of functions which is between the class of convex functions and the class of Jensen-convex functions is the class of Wright-convex functions A function ... Orderings, and Statistical Applications, c c vol 187 of Mathematics in Science and Engineering, Academic Press, Boston, Mass, USA, 1992 G Hardy, J E Littlewood, and G Polya, Inequalities, Cambridge...
... for various unknown weight vectors p This is why the statement of Theorem 1.2 makes the assumption that this is true for all possible weight vectors The following lemma gives a simple sufficient ... Equation 1.11 is true if and only if θ1 ≤ 1−f t x1 /f x − θ1 σ − q tx1 1.12 The right-hand side The cases q or t not pose problems because the right-hand side is still finite is an increasing function ... Theorem 1.2 Suppose that f x is strictly increasing, strictly concave, and twice continuously differentiable on a nonempty interval I ⊆ R, and suppose that f x is strictly convex on I Suppose that...
... B max {x, y } and give some new generalizations of Hilbert sinequality As applications, we also consider some particular results Yongjin Li et al Main results and applications Lemma 2.1 Define ... when ε is sufficiently small, which contradicts the hypothesis Hence the constant factor D(A,B) in (2.6) is the best possible and T = D(A,B) This completes the proof ∞ Theorem 2.3 Suppose that ... Assume that the constant factor D(A,B) in (2.6) is not the best possible, then there exist a positive real number K Journal of Inequalities and Applications with K < D(A,B), such that (2.6) is...
... B max {x, y } and give some new generalizations of Hilbert sinequality As applications, we also consider some particular results Yongjin Li et al Main results and applications Lemma 2.1 Define ... when ε is sufficiently small, which contradicts the hypothesis Hence the constant factor D(A,B) in (2.6) is the best possible and T = D(A,B) This completes the proof ∞ Theorem 2.3 Suppose that ... Assume that the constant factor D(A,B) in (2.6) is not the best possible, then there exist a positive real number K Journal of Inequalities and Applications with K < D(A,B), such that (2.6) is...
... version of Popoviciu s inequality, which is a unified improvement of Acz´ l sinequalityand Popoviciu sinequality In e Section 4, the obtained result will be used to establish an integral inequality ... [14], Wu established a sharp and generalized version of Popoviciu sinequality as follows Theorem 1.3 Let p > 0, q > 0, 1/ p + 1/q ≥ 1, and let , bi (i = 1,2, ,n) be positive p p q q numbers such ... matical Analysis and Applications, vol 245, no 2, pp 393–403, 2000 [4] L Losonczi and Z P´ les, “Inequalities for indefinite forms,” Journal of Mathematical Analysis a and Applications, vol 205,...
... two of the numbers to be less than or equal to (neither can all the numbers be less than 1) Because if a number is less than and two are greater than the inequality is obviously true (the product ... occurs if and only if ABC is equilateral Proof According to the well-known formulae cot A = s( s − a) , (s − b) (s − c) cot B = we deduce that cot s( s − b) , (s − c) (s − a) A = cot cot C = s( s − ... ≤ − 10 Proof Since the numbers are positive, from the given condition it follows immediately that x < xyz ⇔ yz > 1, and similarly xz > and yz > 1, which shows that it is not possible for two...
... this last expression is the value of the European derivative security Of course, the LHS cannot be strictly less than the RHS above, since stopping at time n is always allowed, and we conclude ... g S = IE 1 + r,n g Sn : 94 S2 (HH) = 16 S (H) = S2 (HT) = S =4 S2 (TH) = S1 (T) = S2 (TT) = Figure 7.3: A three period binomial model 7.3 Stopped Martingales Let fYk gn=0 be a stochastic ... American call Assume that r Consider the American derivative security with payoff g Sk in period k The value of this security is the same as the value of the simple European derivative security...
... Opial sinequalityand its generalizations, extensions and discretizations play a fundamental role in establishing the existence and uniqueness of initial and boundary value problems for ordinary and ... p (s, t)g ≤w x (s, t) p (s, t) · v D1 D2 p (s, t)g a b 0 D1 D2 p (s, t)g x (s, t) D1 D2 p (s, t) D1 D2 x (s, t) D1 D2 p (s, t) dsdt , dsdt (1:7) Zhao and Cheung Journal of Inequalities and Applications ... D1 D2 x (s, t) )dsdt ≤ w b D1 D2 x (s, t) dsdt 0 Acknowledgements The authors express their deep gratitude to the referees for their many very valuable suggestions and comments The research of...
... 5.1 Since this inequality is homogeneous in and ak , and also in Qi and Rk , without loss of and Qi Using the notations ak x2 and Rk p, where generality, assume that x ≥ and p > 0, the inequality ... Mathematics and Its Applications, Kluwer Academic Publishers, Dordrecht, The Netherlands, 1993 SS Dragomir, J Peˇ ari´ , and L E Persson, “Properties of some functionals related to Jensen s c c inequality, ” ... Rk The proposition is proved ak 5.13 12 Journal of Inequalities and Applications References D S Mitrinovi´ , J E Peˇ ari´ , and A M Fink, Classical and New Inequalities in Analysis, vol 61 of...
... previous research on Jordan s inequality, in this paper, we present two methods of sharpening Jordan sinequality The first method shows that one can obtain new strengthened Jordan s inequalities from ... the first author established an identity which states that the function sin x/x is a power series of (π − 4x2 ) with positive coefficients for all x = This enables us to obtain a much better inequality ... “New strengthened Jordan sinequalityand its applications,” Applied Mathematics Letters, vol 16, no 4, pp 557–560, 2003 [3] A McD Mercer, U Abel, and D Caccia, “Problems and solutions: solutions...
... Inequalities and Applications For the special case that n and p 1, various problems on the solutions of 1.1 , such as the existence of periodic solutions, bifurcations of periodic solutions, and stability ... Nussbaum, “Uniqueness and nonuniqueness for periodic solutions of x t Journal of Differential Equations, vol 34, no 1, pp 25–54, 1979 P Dormayer, “The stability of special symmetric solutions ... delay and p is also considered by a lot of researchers see 7–13 Most of the work contained in literature on 1.1 is the existence and multiplicity of periodic solutions However, except the questions...
... constant factors, K and K p of 3.1 and 3.2 , are the best possible Proof We only prove that K is the best possible If the constant factor K in 3.1 is not the best possible, then there exists a ... this paper is to build a new Hilbert sinequality with a best constant factor and some parameters In the following, we always suppose that 1/p 1/q 1, p > 1, a ≥ 0, −1 < α < 1, both functions u ... This contracts the fact that H < K References G H Hardy, J E Littlewood, and G Polya, Inequalities, Cambridge University Press, Cambridge, UK, ´ 1952 B C Yang, “On Hilbert sinequality with some...
... s ♦α s − a b h s ♦α s f b a a b b h s f g s ♦α s − a h s g s ♦α s b a h s ♦α s h s ♦α s f t a b hs f g s − f t ♦α s a ≥ at 3.8 b hs g s −t ♦α s a b at a b at b h s g s ♦α s − t h s ♦α s a h s ... Equations on Time Scales, Birkh¨ user, Boston, Mass, USA, 2001 a 16 M Bohner and A Peterson, Eds., Advances in Dynamic Equations on Time Scales, Birkh¨ user, Boston, a Mass, USA, 2003 17 J W Rogers ... thesis see also 8, In Section 3, we present our main results which are generalizations of Jensen sinequality on time scales Some examples and applications are given in Section Preliminaries...
... Jensen sense for s ≥ Note that s f is continuous for s ≥ since lim s f s 0 Δ0 f and lim s f s 1 Δ1 f 2.10 This implies s f is continuous; therefore, it is log-convex Since s f is log-convex, ... Functions, Partial Orderings, and Statistical Applications, c c vol 187 of Mathematics in Science and Engineering, Academic Press, Boston, Mass, USA, 1992 S Karlin and W J Studden, Tchebycheff Systems: ... function see 4, page Lemma 1.9 If φ is convex on an interval I ⊆ R, then φ s1 s3 − s2 φ s2 holds for every s1 < s2 < s3 , s1 , s2 , s3 ∈ I Now, we will give our main results s1 − s3 φ s3 s2 − s1 ≥...