社交尴尬的数学：醉汉与醉鸟的随机游走定理

Socially Awkward Math A mathematician’s random walk theorem explains the stark mathematical difference between drunk people and drunk birds BY JACK MURTAGH M ORE THAN 100 YEARS AGO Hungarian-born mathematician George Pólya found himself trapped in a loop of social awkwardness. A pro- fessor at the Swiss Federal Institute of Technol- ogy Zurich, he enjoyed solitary strolls through the woods outside the city. During one of these rambles, he walked by one of his students and the student’s fiancée. Then, sometime later, still roaming aimlessly, he bumped into the couple again. And then later he did so yet again. …