Farrell, Tom
Lück, Wolfgang
Steimle, Wolfgang
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (Leibniz-Preis)
National Science Foundation (DMS-1206622)
European Research Council (288082)
Danmarks Grundforskningsfond (DNRF92)
Article History
Received: 8 August 2016
Revised: 7 March 2017
First Online: 27 March 2017