p+2=P<sub>2</sub> in short intervals


Twin prime problem is well known in number theory. Sieve methods can only detect almost-primes because of parity phenomenon.Switching principle allowed Chen to get P<sub>2</sub>. By a suitable weighted sieve, we prove that the representation p + 2 = P<sub>2</sub> occurs with the expected frequency in short intervals.

DOI Code: 10.1285/i15900932v13n2p309

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