I will report on recent joint work with D. Zagier. I will explain the link between motivic gamma-functions and the gamma class of Fano varieties.
Links:
[1] http://www.mpim-bonn.mpg.de/taxonomy/term/39
[2] http://www.mpim-bonn.mpg.de/node/3444
[3] http://www.mpim-bonn.mpg.de/node/5312