Maximal upper asymptotic density of sets of integers with missing differences from a given set
Ram Krishna Pandey (2015)
Mathematica Bohemica
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Let be a given nonempty set of positive integers and any set of nonnegative integers. Let denote the upper asymptotic density of . We consider the problem of finding where the supremum is taken over all sets satisfying that for each , In this paper we discuss the values and bounds of where for all even integers and for all sufficiently large odd integers with and