Hypergeometric Gevrey-0 approximation for the Gevrey-<i>k </i>divergent series with application to eight-loop renormalization group functions of the O(<i>N</i>)-symmetric field model
<p dir="ltr">Mera et al. (Phys Rev Lett 115:143001, 2015) discovered that the hypergeometric function can serve as an accurate approximant for a divergent Gevrey-1 type of series with an asymptotic large-order behavior of the form . What is strange about this approximant is that it h...
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2024
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