Additive number theory | Theorems in number theory

Romanov's theorem

In mathematics, specifically additive number theory, Romanov's theorem is a mathematical theorem proved by Nikolai Pavlovich Romanov. It states that given a fixed base b, the set of numbers that are the sum of a prime and a positive integer power of b has a positive lower asymptotic density. (Wikipedia).

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Gaussian integer | Christian Goldbach | Additive number theory