
Zwei Mengen \(A, B \subseteq \mathbb N\) heißen additive Komplemente, wenn ihre Summe \[ A+B=\{a+b \mid a\in A,\;b\in B\} \] alle genüngend großen natürlichen Zahlen enthält. Dabei gilt natürlich \(A(x)B(x)\geq x-K\) mit einer geeigneten Konstanten \(K\) \((A(x)\) Anzahl der Elemente der Menge \(A\), die \(\leq x\) sind). Additive Komplemente \(A\), \(B\) mit der Eigenschaft \(A(x) B(x)\sim x\) heißen exakt, und mit der Eigenschaft \(A(x)B(x)=0\) heißen ``economic'' (ökonomisch). Die Hauptergebnisse dieser Arbeit sind: Theorem 1: Die Menge der Zweierpotenzen besitzt ein exaktes Komplement. (Der Fall einer beliebigen Potenz \(a^n\) \((a>2)\) wurde vom Verf. früher schon behandelt [Stud. Sci. Math. Hung. 32, 51-57 (1996; Zbl 0864.11008)]). Ferner sei erwähnt: Für eine Menge \(A=\{a_1,a_2,\dots\}\in \mathbb N\) mit \(1\leq a_1
economic additive complements, Additive bases, including sumsets, Representation functions, Special sequences and polynomials, addition of sets of integers, complementary sets
economic additive complements, Additive bases, including sumsets, Representation functions, Special sequences and polynomials, addition of sets of integers, complementary sets
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