j-index (Levene)
The Levene j-index (Levene et al. 2012) is the sum of the square-root of citation counts for all publications, similar to the Redner index which is the square-root of the sum.
$$j=\sum\limits_{i=1}^{P}{\sqrt{C_i}}$$History
| Year | j |
|---|---|
| 1997 | 2.0000 |
| 1998 | 8.0100 |
| 1999 | 15.3203 |
| 2000 | 21.6683 |
| 2001 | 35.8117 |
| 2002 | 57.5386 |
| 2003 | 78.8072 |
| 2004 | 106.8460 |
| 2005 | 137.6249 |
| 2006 | 172.7477 |
| 2007 | 203.5161 |
| 2008 | 235.6813 |
| 2009 | 266.0283 |
| 2010 | 310.2461 |
| 2011 | 352.2814 |
| 2012 | 389.6617 |
| 2013 | 426.8235 |
| 2014 | 462.4186 |
| 2015 | 497.6506 |
| 2016 | 527.1471 |
| 2017 | 552.9598 |
| 2018 | 582.5896 |
| 2019 | 611.1651 |
| 2020 | 640.7996 |
| 2021 | 672.6355 |
| 2022 | 700.3147 |
| 2023 | 725.1693 |
| 2024 | 728.4546 |
References
- Levene, M., T. Fenner, and J. Bar-Ilan (2012) A bibliometric index based on the complete list of cited publications. International Journal of Scientometrics, Informetrics and Bibliometrics 16:1.