Some unsolved problems January 3, 2010
Posted by Damien Jiang in Problem-solving.Tags: functional equation, geometry, IMO longlist, incircle, integer functional equation, Russian Olympiad
9 comments
Happy New Year!
Since we have been too lazy to post lately (and the so-not-lazy Akhil posts mostly elsewhere now), I’m going to post some problems that I probably should be able to solve, but haven’t.
