o-index
The o-index (Dorogovtsev and Mendses 2015) was designed to balance a researcher's most-cited work with their diligence in regular publication, and is simply the geometric mean of their h-index and the count of citations to their most cited work. It is calculated as:
$$o=\sqrt{hC_{max}}.$$History
| Year | o |
|---|---|
| 1997 | 1.0000 |
| 1998 | 4.2426 |
| 1999 | 7.3485 |
| 2000 | 12.4499 |
| 2001 | 18.4932 |
| 2002 | 25.3772 |
| 2003 | 35.7771 |
| 2004 | 45.2990 |
| 2005 | 56.9210 |
| 2006 | 64.7457 |
| 2007 | 80.1374 |
| 2008 | 91.8804 |
| 2009 | 107.1074 |
| 2010 | 120.2082 |
| 2011 | 137.5791 |
| 2012 | 157.3785 |
| 2013 | 168.4636 |
| 2014 | 181.7911 |
| 2015 | 192.8860 |
| 2016 | 203.3962 |
| 2017 | 219.3171 |
| 2018 | 226.7818 |
| 2019 | 234.0085 |
| 2020 | 242.9280 |
| 2021 | 253.1344 |
| 2022 | 268.2443 |
| 2023 | 278.4457 |
| 2024 | 285.0789 |
| 2025 | 289.9396 |
References
- Dorogovtsev, S.N., and J.F. Mendes (2015) Ranking scientists. Nature Physics 11(11):882–883.