Scientia Sinica · 1975 · 22 citations · 0 references
Natural SciencesMathematicsNumber TheoryProbability TheoryCombinatorial Number TheoryProbability DistributionsAlmost PrimesDistribution Of Divisors
In this paper we shall prove that for a large positive number x there exist at least two integers n in the interval x-x~(1/2)n≤x having at most two prime factors.