The 2015 MSJ Autumn Prize

The 2015 MSJ Autumn is awarded to

Koji Fujiwara (Professor at Graduate School of Science, Kyoto University)
for his outstanding contributions to
"Constructing group actions on quasi-trees."
The Spring Prize and the Autumn Prize are the most prestigious prizes awarded by the MSJ to its members. The Autumn Prize is awarded without age restriction to people who have made exceptional contributions in their fields of research.