EMIS ELibM Electronic Journals Publications de l’Institut Mathématique, Nouvelle Série
Vol. 102[116], pp. 231–240 (2017)

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Refinements of some limit Hardy-type inequalities via superquadracity

James Adedayo Oguntuase, Lars-Erik Persson, Olabiyi Olanrewaju Fabelurin, Abdullaziz G. Adeagbo-Sheikh

Department of Mathematics, Federal University of Agriculture, Abeokuta, Nigeria; Department of Mathematics, Luleå University of Technology, Luleå, Sweden; UiT The Arctic University of Norway, Narvik, Norway; Department of Mathematics, Obafemi Awolowo University, Ile-Ife, Nigeria

Abstract: Refinements of some limit Hardy-type inequalities are derived and discussed using the concept of superquadracity. We also proved that all three constants appearing in the refined inequalities obtained are sharp. The natural turning point of our refined Hardy inequality is p=2 and for this case we have even equality.

Keywords: Hardy-type inequalities, superquadratic functions, sharp constants, weight functions

Classification (MSC2000): 34A34; 34D20; 34D23; 34D99

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Electronic fulltext finalized on: 3 Nov 2017. This page was last modified: 29 Jan 2018.

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