New mathematical framework for bibliometric indicators

CWTS is focusing on the construction of the entire set of bibliometric indicators in one rigorous, consistent mathematical framework. First publications are already available and further publications will follow soon: 

• Towards a new crown indicator: Some theoretical considerations
  Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F.J. van Raan.
  Submitted to Journal of Informetrics. (Pre-print version) 
  

• Towards a new crown indicator: An empirical analysis
  Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F.J. van Raan.
  (Pre-print version) 
  

• Rivals for the crown: Reply to Opthof and Leydesdorff
  Anthony F.J. van Raan, Thed N. van Leeuwen, Martijn S. Visser, Nees Jan van Eck, Ludo Waltman.
  Journal of Informetrics. ( Pre-print version)