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LOGARITHMIC REPRESENTABILITY OF INTEGERS AS K-SUMS

机译:整数的对数表达性为k-sum

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A set A = Ak,n ? [n] [ {0} is said to be an additive k-basis if each element in {0, 1, . . . , kn} can be written as a k-sum of elements of A in at least one way. Seeking multiple representations as k-sums, and given any function (n) ! 1, we say that A is said to be a truncated (n)-representative k-basis for [n] if for each j 2 [?n,(k ?)n] the number of ways that j can be represented as a k-sum of elements of Ak,n is ?((n)). In this paper, we follow tradition and focus on the case (n) = log n, and show that a randomly selected set in an appropriate probability space is a truncated log-representative basis with probability that tends to one as n ! 1. This result is a finite version of a result proved by Erd?os and extended by Erd?os and Tetali.
机译:一个设置= ak,n?如果{0,1,1的每个元素,则据说[{0}是一种添加剂k基础。 。 。 ,kn}可以用至少一种方式写成一个k-sum的元素。寻求多个表示作为k-sum,并给出任何功能(n)! 1,我们说,据称是[n]的截断(n)-representative k基础,如果每个j 2 [?n,(k?)n] j可以表示为a的方式的数量AK的元素的k - n是?((n))。在本文中,我们遵循传统并侧重于案例(n)= log n,并显示在适当的概率空间中随机选择的设置是截断的日志代表基础,其概率趋于一个作为n!这一结果是由ERD的结果证明的有限版本?OS并由ERD扩展?OS和Tetali。

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