On a ternary Diophantine problem with mixed powers of primes
Alessandro Languasco, Alessandro Zaccagnini (2013)
Acta Arithmetica
Similarity:
Let 1 < k < 33/29. We prove that if λ₁, λ₂ and λ₃ are non-zero real numbers, not all of the same sign and such that λ₁/λ₂ is irrational, and ϖ is any real number, then for any ε > 0 the inequality has infinitely many solutions in prime variables p₁, p₂, p₃.