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Limit-point Classification for Singular Conformable Fractional Sturm-Liouville Operators 奇异符合分数Sturm-Liouville算子的极限点分类
Turkish Journal of Mathematics and Computer Science Pub Date : 2021-01-16 DOI: 10.47000/tjmcs.823766
Bilender Paşaoğlu, Yüksel Yalçinkaya, H. Tuna
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引用次数: 0
On The Curves $N-T^{ast }N^{ast }$ in $E^3$ 曲线$N- t ^{ast}N^{ast}$在$E^3$中
Turkish Journal of Mathematics and Computer Science Pub Date : 2020-12-31 DOI: 10.47000/tjmcs.616122
Ş. Kiliçoglu, S. Şenyurt
{"title":"On The Curves $N-T^{ast }N^{ast }$ in $E^3$","authors":"Ş. Kiliçoglu, S. Şenyurt","doi":"10.47000/tjmcs.616122","DOIUrl":"https://doi.org/10.47000/tjmcs.616122","url":null,"abstract":"In this paper we have defined and examined the new kind curves, with the principal normal vector of the first curve and the vector lying on the osculator plane of the second curve are linearly dependent. As a result we have called these new curves as $N-T^{ast }N^{ast }$ curves. Also similiar to the other offset curves under the spesific condition, we give Frenet apparatus of the second curve based on the Frenet apparatus of the first curve.","PeriodicalId":177259,"journal":{"name":"Turkish Journal of Mathematics and Computer Science","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128598781","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
Bi-Periodic Balancing Quaternions 双周期平衡四元数
Turkish Journal of Mathematics and Computer Science Pub Date : 2020-12-31 DOI: 10.47000/tjmcs.701638
Emre Sevgi, D. Taşcı
{"title":"Bi-Periodic Balancing Quaternions","authors":"Emre Sevgi, D. Taşcı","doi":"10.47000/tjmcs.701638","DOIUrl":"https://doi.org/10.47000/tjmcs.701638","url":null,"abstract":"","PeriodicalId":177259,"journal":{"name":"Turkish Journal of Mathematics and Computer Science","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130985732","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: 1
On Quasi-Conformal Flat Para-Sasakian Manifolds 关于拟共形平坦拟sasaki流形
Turkish Journal of Mathematics and Computer Science Pub Date : 2020-12-31 DOI: 10.47000/tjmcs.765297
İ. Ünal, R. Sarı
{"title":"On Quasi-Conformal Flat Para-Sasakian Manifolds","authors":"İ. Ünal, R. Sarı","doi":"10.47000/tjmcs.765297","DOIUrl":"https://doi.org/10.47000/tjmcs.765297","url":null,"abstract":"","PeriodicalId":177259,"journal":{"name":"Turkish Journal of Mathematics and Computer Science","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128055516","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: 1
Fuzzy Modelling of Covid-19 in Turkey and Some Countries in The World 土耳其和世界上一些国家Covid-19的模糊模型
Turkish Journal of Mathematics and Computer Science Pub Date : 2020-12-31 DOI: 10.47000/tjmcs.751730
Harun Baldemir, A. Akin, Ö. Akin
{"title":"Fuzzy Modelling of Covid-19 in Turkey and Some Countries in The World","authors":"Harun Baldemir, A. Akin, Ö. Akin","doi":"10.47000/tjmcs.751730","DOIUrl":"https://doi.org/10.47000/tjmcs.751730","url":null,"abstract":"","PeriodicalId":177259,"journal":{"name":"Turkish Journal of Mathematics and Computer Science","volume":"370 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116520127","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
Timelike Ruled Surfaces in de-Sitter 3-Space de-Sitter三维空间中的类时直纹曲面
Turkish Journal of Mathematics and Computer Science Pub Date : 2020-12-31 DOI: 10.47000/tjmcs.734243
Tuğba Mert
{"title":"Timelike Ruled Surfaces in de-Sitter 3-Space","authors":"Tuğba Mert","doi":"10.47000/tjmcs.734243","DOIUrl":"https://doi.org/10.47000/tjmcs.734243","url":null,"abstract":"A bstract . In this paper, timelike ruled surfaces are studied in de-Sitter space S 31 . A ruled surface in the de-Sitter space S 31 is obtained by moving a geodesic along a curve. Developable ruled surface, striction point, striction curve, dispersion parameter and orthogonal trajectory concepts are investigated for the obtained ruled surface.","PeriodicalId":177259,"journal":{"name":"Turkish Journal of Mathematics and Computer Science","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130171129","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: 1
(Independent) $k$-Rainbow Domination of a Graph (独立的)$k$-图的彩虹支配
Turkish Journal of Mathematics and Computer Science Pub Date : 2020-12-31 DOI: 10.47000/tjmcs.691030
D. Mojdeh, Zhila Mansouri
{"title":"(Independent) $k$-Rainbow Domination of a Graph","authors":"D. Mojdeh, Zhila Mansouri","doi":"10.47000/tjmcs.691030","DOIUrl":"https://doi.org/10.47000/tjmcs.691030","url":null,"abstract":"Let G = (V, E) be a graph with the vertex set V = V(G) and the edge set E = E(G). Let k be a positive integer and γrk(G) (γirk (G)) be k-rainbow domination (independent k-rainbow domination) number of a graph G. In this paper, we study the k-rainbow domination and independent k-rainbow domination numbers of graphs. We obtain bounds for γrk(G−e) (γirk (G−e)) in terms of γrk(G) (γirk (G)). Finally, the relation between weak 3-domination and 3-rainbow domination number of graphs will be investigated. 2010 AMS Classification: 05C69","PeriodicalId":177259,"journal":{"name":"Turkish Journal of Mathematics and Computer Science","volume":"197 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116475900","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: 1
On the New Double Binomial Sequence Space 关于新的二项式序列空间
Turkish Journal of Mathematics and Computer Science Pub Date : 2020-12-31 DOI: 10.47000/tjmcs.727448
Serkan Demiriz, Sezer Erdem
{"title":"On the New Double Binomial Sequence Space","authors":"Serkan Demiriz, Sezer Erdem","doi":"10.47000/tjmcs.727448","DOIUrl":"https://doi.org/10.47000/tjmcs.727448","url":null,"abstract":"Abstract. The aim of this paper is to present the new double Binomial sequence space B p which consists of all sequences whose double Binomial transforms of orders r, s (r and s are nonzero real numbers with r + s , 0) are in the space Lp, where 0 < p < ∞. We examine its topological and algebraic properties and inclusion relations. Furthermore, the α−, β(bp)− and γ−duals of the space B p are determined and finally, some 4-dimensional matrix mapping classes related to this space are characterized.","PeriodicalId":177259,"journal":{"name":"Turkish Journal of Mathematics and Computer Science","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130303860","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: 3
Some New Topological Invariants for Chemical Structures Used in the Treatment of COVID-19 Patients 用于治疗COVID-19患者的化学结构的一些新的拓扑不变量
Turkish Journal of Mathematics and Computer Science Pub Date : 2020-12-31 DOI: 10.47000/tjmcs.730730
Abaid ur Rehman Virk
{"title":"Some New Topological Invariants for Chemical Structures Used in the Treatment of COVID-19 Patients","authors":"Abaid ur Rehman Virk","doi":"10.47000/tjmcs.730730","DOIUrl":"https://doi.org/10.47000/tjmcs.730730","url":null,"abstract":"A bstract . A topological index plays an important rule in predicting physicochemical properties of a molecular structure. There are more than 150 topological indices present in literature but not a single index predict perfect result. In this paper, we will introduce some new topological invariants namely Maxmin indices and Maxmin polynomials and calculate results for Chloroquine and Hydroxychloroquine. These structures are helpful in the treatment of COVID-19 patients.","PeriodicalId":177259,"journal":{"name":"Turkish Journal of Mathematics and Computer Science","volume":"241 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123011427","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: 2
The Analysis of Mathematical Skills Used in the Software Industry 数学技能在软件行业中的应用分析
Turkish Journal of Mathematics and Computer Science Pub Date : 2020-12-31 DOI: 10.47000/tjmcs.789945
Deniz Akdur
{"title":"The Analysis of Mathematical Skills Used in the Software Industry","authors":"Deniz Akdur","doi":"10.47000/tjmcs.789945","DOIUrl":"https://doi.org/10.47000/tjmcs.789945","url":null,"abstract":"Mathematical skills can provide a scientific basis for software engineering (SE) activities by helping practitioners comprehend the unambiguous logic, which is critical for both abstract thinking and problem solving besides development of any applications in the software industry. Many practitioners in different roles take different mathematics courses at the university education; however there are various perceptions about the necessity and the weight of these courses. ”What are their usage in the software industry?” or ”do we need such a (heavy) mathematical curriculum at the university?” are frequently asked questions for software teams. To better understand different opinions, we utilized the results of our survey, which investigated the skills gaps in the software industry. 628 Turkey-educated practitioners, whose undergraduate degree was completed in Turkey, working in 13 countries responded the survey. In this paper, we examined different perceptions (1) about the usage of the mathematics courses in the software industry; and (2) about current weight of these courses in the curriculum. The findings shed light on the perceptions about mathematical skills in the industry by presenting various cross-factor analysis. 2010 AMS Classification: 97NXX, 68TXX, 68NXX","PeriodicalId":177259,"journal":{"name":"Turkish Journal of Mathematics and Computer Science","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125732676","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: 4
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