Chen Jingrun’s Birthday

Chen Jingrun (22 May 1933 – 19 March 1996) made very important contributions in Goldbach’s conjecture like the demonstration of Chen’s theorem (1966): every suffiently large even number can be written as the sum of a prime and a product of two different primes.

In 1999 China issued the stamp “The Best result of Goldbach conjecture”:

The doodle was published five years ago.

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One response

  1. […] than 1+1, though it involves prime numbers! (We celebrated one of his students, Chen Jungrun, in a previous doodle, who made significant progress on this […]

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