大海捞针: 张益唐与孪生素数猜想 Counting from Infinity: Yitang Zhang and the Twin Prime Conjecture

　　In April 2013, a lecturer at the University of New Hampshire submitted a paper to the Annals of Mathematics. Within weeks word spread: a little-known mathematician, with no permanent job and working in complete isolation, had made an important breakthrough towards solving the Twin Prime Conjecture. Yitang Zhang's techniques for bounding the gaps between primes soon led to rapid...