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Ke Gong ( Henan University, China )
2018-02-08  14:00 - 14:50
Room 101, Mathematics Research Center Building (ori. New Math. Bldg.)

I will first recall the classical results and open problems in the theory of Dirichlet characters. Then I will present some new results on arithmetical sums with multiplicative coefficients, which are based on the joint work with Professor Chaohua Jia.