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A refinement of Egghe's increment studies

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  • Rousseau, Ronald

Abstract

In this contribution we show how results obtained in a series of papers by Egghe can be refined in the sense that we need fewer additional conditions. In these articles Egghe considered a general h-type index which has a value n if n is the largest natural number such that the first n publications (ranked according to the number of received citations) have received at least f(n) citations, with f(n) any increasing function defined on the strictly positive numbers. His results deal with increments I2 and I1 defined by: I2(n)=I1(n+1)−I1(n) where I1(n)=(n+1)f(n+1)−nf(n). Our results differ from Egghe's because we also consider Ik(0), k=1,2. We, moreover, provide a non-recursive definition of the increment functions Ik(n).

Suggested Citation

  • Rousseau, Ronald, 2014. "A refinement of Egghe's increment studies," Journal of Informetrics, Elsevier, vol. 8(1), pages 212-216.
    • Handle: RePEc:eee:infome:v:8:y:2014:i:1:p:212-216
    DOI: 10.1016/j.joi.2013.12.003
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    References listed on IDEAS

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    1. Egghe, L., 2013. "A mathematical characterization of the Hirsch-index by means of minimal increments," Journal of Informetrics, Elsevier, vol. 7(2), pages 388-393.
    2. Qiang Wu, 2010. "The w-index: A measure to assess scientific impact by focusing on widely cited papers," Journal of the Association for Information Science & Technology, Association for Information Science & Technology, vol. 61(3), pages 609-614, March.
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