37 citations · 37 across the 2 of their papers we have counts for
Showing math.NTShow all
2 papers · 1 filter
math.NT2005
Approximating reals by sums of rationals
Tsz Ho Chan, Angel V. Kumchev
We study how well a real number can be approximated by sums of two or more rational numbers with denominators up to a certain size.
math.NT2004★ 37 cited
Mean values of Dirichlet polynomials and applications to linear equations with prime variables
S. K. K. Choi, A. V. Kumchev
We prove a new mean-value theorem for Dirichlet polynomials with coefficients given by the von Mangoldt function. We then use our theorem to derive new estimates for certain expone…