Speaker:Koichi Kawada (Iwate University) Venue: B1044 Time: 2017年04月11日 10:00-11:00 Title: Title: On sums of powers of primes --- a survey. Abstract:Various problems concerning representations of integers by sums of powers of primes are generically called the Waring-Goldbach problem. I shall talk about a historical overview on this problem, and shall try to exhibit several key ingredients and ideas in this area.