Browse > Article
http://dx.doi.org/10.4134/JKMS.j190266

WEIGHTED HARDY INEQUALITIES WITH SHARP CONSTANTS  

Kalybay, Aigerim (KIMEP University)
Oinarov, Ryskul (L. N. Gumilyov Eurasian National University)
Publication Information
Journal of the Korean Mathematical Society / v.57, no.3, 2020 , pp. 603-616 More about this Journal
Abstract
In the paper, we establish the validity of the weighted discrete and integral Hardy inequalities with periodic weights and find the best possible constants in these inequalities. In addition, by applying the established discrete Hardy inequality to a certain second-order difference equation, we discuss some oscillation and nonoscillation results.
Keywords
Discrete Hardy inequality; integral Hardy inequality; weight function; oscillation; difference equation;
Citations & Related Records
연도 인용수 순위
  • Reference
1 A. Z. Alimagambetova and R. Oinarov, Criteria for the oscillation and nonoscillation of a second-order semilinear difference equation, Mat. Zh. 7 (2007), no. 1(23), 15-24.
2 G. Bennett, Some elementary inequalities, Quart. J. Math. Oxford Ser. (2) 38 (1987), no. 152, 401-425. https://doi.org/10.1093/qmath/38.4.401   DOI
3 G. Bennett, Some elementary inequalities. II, Quart. J. Math. Oxford Ser. (2) 39 (1988), no. 156, 385-400. https://doi.org/10.1093/qmath/39.4.385   DOI
4 P. Gao, Hardy-type inequalities via auxiliary sequences, J. Math. Anal. Appl. 343 (2008), no. 1, 48-57. https://doi.org/10.1016/j.jmaa.2008.01.024   DOI
5 P. Hasil and M. Vesely, Oscillation and non-oscillation criteria for linear and half-linear difference equations, J. Math. Anal. Appl. 452 (2017), no. 1, 401-428. https://doi.org/10.1016/j.jmaa.2017.03.012   DOI
6 P. Gao, On $l^p$ norms of weighted mean matrices, Math. Z. 264 (2010), no. 4, 829-848. https://doi.org/10.1007/s00209-009-0490-2   DOI
7 G. H. Hardy, J. E. Littlewood, and G. Polya, Inequalities, Cambridge University Press, Cambridge, 1988.
8 P. Hasil and M. Vesely, Critical oscillation constant for difference equations with almost periodic coeffcients, Abstr. Appl. Anal. 2012 (2012), Art. ID 471435, 19 pp. https://doi.org/10.1155/2012/471435
9 A. Kalybay, D. Karatayeva, R. Oinarov, and A. Temirkhanove, Oscillation of a second order half-linear difference equation and the discrete Hardy inequality, Electron. J. Qual. Theory Differ. Equ. 2017 (2017), Paper No. 43, 16 pp. https://doi.org/10.14232/ejqtde.2017.1.43
10 A. Kufner, L. Maligranda, and L.-E. Persson, The Hardy inequality, Vydavatelsky Servis, Plzen, 2007.
11 A. Kufner and L.-E. Persson, Weighted inequalities of Hardy type, World Scientific Publishing Co., Inc., River Edge, NJ, 2003. https://doi.org/10.1142/5129
12 L. Maligranda, R. Oinarov, and L.-E. Persson, On Hardy q-inequalities, Czechoslovak Math. J. 64(139) (2014), no. 3, 659-682. https://doi.org/10.1007/s10587-014-0125-6   DOI
13 B. Muckenhoupt, Hardy's inequality with weights, Studia Math. 44 (1972), 31-38. https://doi.org/10.4064/sm-44-1-31-38   DOI
14 R. Oinarov, Oscillation of second order half-linear differential equation and weighted Hardy inequality, Mat. Zh. 12 (2012), no. 3, 149-155.
15 M. Vesely and P. Hasil, Oscillation and nonoscillation of asymptotically almost periodic half-linear difference equations, Abstr. Appl. Anal. 2013 (2013), Art. ID 432936, 12 pp. https://doi.org/10.1155/2013/432936
16 B. Opic and A. Kufner, Hardy-type inequalities, Pitman Research Notes in Mathematics Series, 219, Longman Scientific & Technical, Harlow, 1990.
17 L.-E. Persson, R. Oinarov, and S. Shaimardan, Hardy-type inequalities in fractional h-discrete calculus, J. Inequal. Appl. 2018 (2018), Paper No. 73, 14 pp. https://doi. org/10.1186/s13660-018-1662-6
18 P. Rehak, Oscillatory properties of second order half-linear difference equations, Czechoslovak Math. J. 51(126) (2001), no. 2, 303-321. https://doi.org/10.1023/A:1013790713905   DOI