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math.NT2012
Density of integral sets with missing differences
Quan-Hui Yang, Min Tang
Motzkin posed the problem of finding the maximal density of sets of integers in which the differences given by a set do not occur. The problem is already settled when $|…
math.NT2012
Weighted representation functions on
Quan-Hui Yang, Yong-Gao Chen
Let , , and be three integers with . For any set and , let denote the number of solution…