Is it possible to deduce the shape of a drum from the sounds it makes? This is the kind of question that Iosif Polterovich, a professor in the Department of Mathematics and Statistics at Université de ...
Cannonballs and tomatoes -- The puzzle of the dozen spheres -- Fire hydrants and soccer players -- Thue's two attempts and Fejes-Tóth's achievement -- Twelve's company, thirteen's a crowd -- Nets and ...