Complete monotonicity and zeros of sums of squared Baskakov functions

Abel, Ulrich;Gawronski, Wolfgang;Neuschel, Thorsten
(2015) Applied Mathematics and Computation —

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Authors
  • Abel, UlrichTechnische Hochschule Mittelhessen
    Author
  • Gawronski, WolfgangUniversity of Trier
    Author
  • Neuschel, ThorstenUCLouvain
    Author
Abstract
We prove complete monotonicity of sums of squares of generalized Baskakov basis functions by deriving the corresponding results for hypergeometric functions. Moreover, in the central Baskakov case we study the distribution of the complex zeros for large values of a parameter. We finally discuss the extension of some results for sums of higher powers.
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Citations

Abel, U., Gawronski, W., & Neuschel, T. (2015). Complete monotonicity and zeros of sums of squared Baskakov functions. Applied Mathematics and Computation. https://doi.org/10.1016/j.amc.2015.01.062