Notes on Number Theory and Discrete Mathematics最新文献

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Binary expansions of prime reciprocals 质数倒数的二元展开式
IF 0.3
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-11-21 DOI: 10.7546/nntdm.2023.29.4.724-736
Brenda Navarro-Flores, José M. González-Barrios, Raúl Rueda
{"title":"Binary expansions of prime reciprocals","authors":"Brenda Navarro-Flores, José M. González-Barrios, Raúl Rueda","doi":"10.7546/nntdm.2023.29.4.724-736","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.4.724-736","url":null,"abstract":"Prime numbers have been always of great interest. In this work, we explore the prime numbers from a sieve other than the Eratosthenes sieve. Given a prime number $p$, we consider the binary expansion of $frac{1}{p}$ and, in particular, the size of the period of $frac{1}{p}$. We show some results that relate the size of the period to properties of the prime numbers.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":"51 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139252958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Almost balancers, almost cobalancers, almost Lucas-balancers and almost Lucas-cobalancers 差不多是平衡者,差不多是钴者,差不多是卢卡斯平衡者,差不多是卢卡斯钴者
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-11-14 DOI: 10.7546/nntdm.2023.29.4.682-694
Ahmet Tekcan, Esra Zeynep Türkmen
{"title":"Almost balancers, almost cobalancers, almost Lucas-balancers and almost Lucas-cobalancers","authors":"Ahmet Tekcan, Esra Zeynep Türkmen","doi":"10.7546/nntdm.2023.29.4.682-694","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.4.682-694","url":null,"abstract":"In this work, the general terms of almost balancers, almost cobalancers, almost Lucas-balancers and almost Lucas-cobalancers of first and second type are determined in terms of balancing and Lucas-balancing numbers. Later some relations on all almost balancing numbers and all almost balancers are obtained. Further the general terms of all balancing numbers, Pell numbers and Pell–Lucas number are determined in terms of almost balancers, almost Lucas-balancers, almost cobalancers and almost Lucas-cobalancers of first and second type.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":"50 38","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134902977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On sums with generalized harmonic numbers via Euler’s transform 用欧拉变换研究广义调和数和
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-11-14 DOI: 10.7546/nntdm.2023.29.4.695-704
Neşe Ömür, Sibel Koparal, Laid Elkhiri
{"title":"On sums with generalized harmonic numbers via Euler’s transform","authors":"Neşe Ömür, Sibel Koparal, Laid Elkhiri","doi":"10.7546/nntdm.2023.29.4.695-704","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.4.695-704","url":null,"abstract":"In this paper, we define the generalized hyperharmonic numbers of order r, H_{n}^{r}left( sigma right) and get some identities involving these numbers by using Euler’s transform.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":"51 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134902968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identities for Fibonacci and Lucas numbers 斐波那契数和卢卡斯数的恒等式
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-11-01 DOI: 10.7546/nntdm.2023.29.4.670-681
George Grossman, Aklilu Zeleke, Xinyun Zhu
{"title":"Identities for Fibonacci and Lucas numbers","authors":"George Grossman, Aklilu Zeleke, Xinyun Zhu","doi":"10.7546/nntdm.2023.29.4.670-681","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.4.670-681","url":null,"abstract":"In this paper several new identities are given for the Fibonacci and Lucas numbers. This is accomplished by by solving a class of non-homogeneous, linear recurrence relations.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":"251 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135321706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New approaches of (q,k)-Fibonacci–Pell sequences via linear difference equations. Applications 线性差分方程求解(q,k) -Fibonacci-Pell序列的新方法。应用程序
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-10-11 DOI: 10.7546/nntdm.2023.29.4.647-669
Irene Magalhães Craveiro, Elen Viviani Pereira Spreafico, Mustapha Rachidi
{"title":"New approaches of (q,k)-Fibonacci–Pell sequences via linear difference equations. Applications","authors":"Irene Magalhães Craveiro, Elen Viviani Pereira Spreafico, Mustapha Rachidi","doi":"10.7546/nntdm.2023.29.4.647-669","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.4.647-669","url":null,"abstract":"In this paper we establish some explicit formulas of (q,k)-Fibonacci–Pell sequences via linear difference equations of order 2 with variable coefficients, and explore some of their new properties. More precisely, our results are based on two approaches, namely, the determinantal and the nested sums approaches, and their closed relations. As applications, we investigate the q-analogue Cassini identities and examine a pair of Rogers–Ramanujan type identities.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136062419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On a generalization of dual-generalized complex Fibonacci quaternions 双广义复斐波那契四元数的推广
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-09-13 DOI: 10.7546/nntdm.2023.29.4.635-646
Elif Tan, Umut Öcal
{"title":"On a generalization of dual-generalized complex Fibonacci quaternions","authors":"Elif Tan, Umut Öcal","doi":"10.7546/nntdm.2023.29.4.635-646","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.4.635-646","url":null,"abstract":"In this study, we introduce a new class of generalized quaternions whose components are dual-generalized complex Horadam numbers. We investigate some algebraic properties of them.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135734519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Topological structures induced by chromatic partitioning of vertex set of graphs 图的顶点集的色划分引起的拓扑结构
IF 0.3
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-09-01 DOI: 10.7546/nntdm.2023.29.3.620-634
K. Lalithambigai, P. Gnanachandra
{"title":"Topological structures induced by chromatic partitioning of vertex set of graphs","authors":"K. Lalithambigai, P. Gnanachandra","doi":"10.7546/nntdm.2023.29.3.620-634","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.3.620-634","url":null,"abstract":"This paper presents a method of constructing topologies on vertex set of a graph G induced by chromatic partition of vertex set of the graph. It introduces colour lower approximation and colour upper approximation of vertex induced subgraphs and acquaints the open and closed sets of the topology generated by chromatic partition on the vertex set of graphs. It explores some of the properties of colour lower approximation and colour upper approximation of vertex induced subgraphs. It also establishes some new subgraphs based on the colour lower approximation and colour upper approximation and some of their properties have been studied.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43798035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On properties of generalized Tridovan numbers 关于广义Tridovan数的性质
IF 0.3
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-08-17 DOI: 10.7546/nntdm.2023.29.3.571-588
Y. Soykan, Nejla Özmen, Inci Okumuş
{"title":"On properties of generalized Tridovan numbers","authors":"Y. Soykan, Nejla Özmen, Inci Okumuş","doi":"10.7546/nntdm.2023.29.3.571-588","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.3.571-588","url":null,"abstract":"In this paper, we examine generalized Tridovan sequences and treat in detail two cases called Tridovan sequences and Tridovan–Lucas sequences. We present Binet’s formulas, generating functions, Simson formulas, and the summation formulas for these sequences. In addition, we give some identities and matrices related to these sequences.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":"1 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41366919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The average value of a certain number-theoretic function over the primes 数论函数在素数上的平均值
IF 0.3
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-08-02 DOI: 10.7546/nntdm.2023.29.3.564-570
Louis Rubin
{"title":"The average value of a certain number-theoretic function over the primes","authors":"Louis Rubin","doi":"10.7546/nntdm.2023.29.3.564-570","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.3.564-570","url":null,"abstract":"We consider functions $F:mathbb{Z}_{geq 0}rightarrowmathbb{Z}_{geq 0}$ for which there exists a positive integer $n$ such that two conditions hold: $F(p)$ divides $n$ for every prime $p$, and for each divisor $d$ of $n$ and every prime $p$, we have that $d$ divides $F(p)$ iff $d$ divides $F(p mod d)$. Following an approach of Khrennikov and Nilsson, we employ the prime number theorem for arithmetic progressions to derive an expression for the average value of such an $F$ over all primes $p$, recovering a theorem of these authors as a special case. As an application, we compute the average number of $r$-periodic points of a multivariate power map defined on a product $Z_{f_1(p)}timescdotstimes Z_{f_m(p)}$ of cyclic groups, where $f_i(t)$ is a polynomial.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47988025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On special exponential Diophantine equations 关于特殊指数丢番图方程
IF 0.3
Notes on Number Theory and Discrete Mathematics Pub Date : 2023-08-01 DOI: 10.7546/nntdm.2023.29.3.598-602
Tomáš Riemel
{"title":"On special exponential Diophantine equations","authors":"Tomáš Riemel","doi":"10.7546/nntdm.2023.29.3.598-602","DOIUrl":"https://doi.org/10.7546/nntdm.2023.29.3.598-602","url":null,"abstract":"In this paper, we will focus on the study of a special type of exponential Diophantine equations, including a proof. The main contribution of this article is the mentioned type of equations, which can only be solved by the methods of elementary mathematics.","PeriodicalId":44060,"journal":{"name":"Notes on Number Theory and Discrete Mathematics","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46303632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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