Ricerche di Matematica, Volume (73), No (2), Year (2021-9) , Pages (989-1015)

Title : ( Extensions of p-angular distance inequalities in normed spaces )

Authors: Jamal Rooin , Setareh Rajabi , Mohammad Sal Moslehian ,

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Abstract

We generalize the Bourbaki, Dunkl–Williams, Hudzick–Landes, and Maligranda2 inequalities in normed linear spaces for various p-angular distances. Then we obtain3 several equality conditions of these generalized inequalities, mainly, in strictly con-4 vex spaces. In addition, corresponding to some p-angular distance, we compare the5 achieved upper bounds with each other. Furthermore, we present several examples and6 counterexamples illustrate our results.

Keywords

, p-Angular distance · Normed linear space · Strictly convex space, Dunkl–Williams inequality