An explicit version of Chen's theorem assuming the Generalized Riemann Hypothesis

Abstract

We prove that assuming the Generalized Riemann Hypothesis every even integer larger than exppexpp15.85qq can be written as the sum of a prime number and a number that has at most two prime factors. * The research was supported by OP RDE project No. CZ.02.2.69{0.0{0.0{18_053{0016976 International mobility of research, technical and administrative staff at Charles University.