Other Sciences - Mathematics news

An equation for friendship

If only they had been there in 1939: Plugging in numbers representing the friendliness between pairs of nations at the outset of World War II, researchers at Cornell University used a computer program to successfully predict ...

Jan 17, 2011 4 / 5 (6) 2

Analysis of a relationship triangle

In a model network of friends and foes, relationships will evolve until everyone becomes friendly or the network splits into two hostile factions, researchers suggest in the current issue of the Proceedings of the National Ac ...

Jan 12, 2011 2.7 / 5 (3) 1

Have we reached peak travel?

(PhysOrg.com) -- Since the 1970s, passenger travel by vehicles and airplanes has grown rapidly in industrialized countries, and the International Energy Agency has predicted steady, though slower, travel growth ...

Jan 03, 2011 3.6 / 5 (9) 8 | with audio podcast report