The range of the unitary divisor function $\\\sigma_{-1}^*$ is dense in the interval $[1,\\\infty)$. However, although the range of the functi... C Defant - 《Mathematics》 被引量: 9发表: 2015年 On the Interval [n,2n]: Primes, Composites and Perfect Powers In this paper we...
We investigate the problem of r almost-primes represented by sets of quadratic forms and give upper bounds for r. Our results extend work of Diamond and Halberstam in which they investigated the corresponding problem for polynomials.doi:10.4064/aa124-4-3Gihan Marasingha...
On the number of primes less than or equal 来自 ResearchGate 喜欢 0 阅读量: 18 作者: Harold N. Shapiro 摘要: In this paper we consider the design of intelligent control policies for water distribution systems. The controller presented in this paper is based upon a hybrid system that ...
We have already mentioned that the Greeks knew the distinction between prime and composite numbers, and even proved useful theorems concerning them. All natural numbers (excluding 1) can be categorized as either prime numbers (primes) or composite numbers (composites). Why are we interested in pri...
Using the Rowland idea, we find two infinite sets of generators of primes. We also pose some conjectures concerning twin primes. V Shevelev - 《Mathematics》 被引量: 4发表: 2009年 Twin Primes and the Zeros of the Riemann Zeta Function The Legendre type relation for the counting function of...
1 .Introduetion This paPer disousses two Problem which relate toconseoutive Primes. Let.be the th Prime,and d.+1We want to find a function M Lu - 《数学学报(英文版)》 被引量: 392发表: 1985年 The difference between consecutive prime numbers. II In a previous paper, under the same...
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The downstream consequences of a priming induction range from changes in the perception of objects in the environment to the initiation of prime-related behavior and goal striving. Although each of these outcomes has been accounted for by separate mechanisms, we argue that a single process could...
Prime numbers are the very atoms of arithmetic. They also embody one of the most tantalising enigmas in the pursuit of human knowledge. How can one predict when the next prime number will occur? Is there a formula which could generate primes? These apparently simple questions have confounded ...
To investigate the role of the syllable in Dutch speech production, five experiments were carried out to examine the effect of visually masked syllable primes on the naming latencies for written words and pictures. Targets had clear syllable boundaries and began with a CV syllable (e.g., ka.no...