A function class of strictly positive definite and logarithmically completely monotonic functions related to the modified Bessel functions |
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Authors: | Jamel El Kamel Khaled Mehrez |
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Affiliation: | 1.Département de Mathématiques,FSM,Monastir,Tunisia;2.Département de Mathématiques, Faculté de Sciences de Tunis,Université Tunis El Manar,Tunis,Tunisia;3.Département de Mathématiques ISSAT Kasserine,Université de Kairouan,Kairouan,Tunisia |
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Abstract: | In this paper, we give some conditions for a class of functions related to Bessel functions to be positive definite or strictly positive definite. We present some properties and relationships involving logarithmically completely monotonic functions and strictly positive definite functions. In particular, we are interested with the modified Bessel functions of the second kind. As applications, we prove the logarithmically monotonicity for a class of functions involving the modified Bessel functions of second kind and we established new inequalities for this function. |
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