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International Journal of Pure and Apllied Mathematics最新文献

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ELECTRIC ENERGY PRICE FORECASTING: DESCRIPTIVE ANALYSIS AND FEATURES SELECTION 电力价格预测:描述性分析与特征选择
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/IJPAM.V117I1.15
M. T. Grifa
{"title":"ELECTRIC ENERGY PRICE FORECASTING: DESCRIPTIVE ANALYSIS AND FEATURES SELECTION","authors":"M. T. Grifa","doi":"10.12732/IJPAM.V117I1.15","DOIUrl":"https://doi.org/10.12732/IJPAM.V117I1.15","url":null,"abstract":"The present paper is focused on the analysis of electricity market, after its recent liberalization. In particular we provide a detailed analysis of the latter exploiting descriptive analysis and the feature selection approach for a multivariate time series dataset. Moreover we will apply a pool of regression models on the features selection methodology focusing our study on the 2014-Global Energy Forecasting Competition dataset. AMS Subject Classification: 62H99, 62P20, 68U20","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114643596","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
SOME NEW/OLD DEGREE-BASED TOPOLOGICAL INDICES OF NANOSTAR DENDRIMERS 纳米星树状大分子的新/旧度拓扑指标
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/IJPAM.V117I1.14
Z. Foruzanfar, M. Jamil, M. Farahani, M. Imran, Xiujun Zhang
{"title":"SOME NEW/OLD DEGREE-BASED TOPOLOGICAL INDICES OF NANOSTAR DENDRIMERS","authors":"Z. Foruzanfar, M. Jamil, M. Farahani, M. Imran, Xiujun Zhang","doi":"10.12732/IJPAM.V117I1.14","DOIUrl":"https://doi.org/10.12732/IJPAM.V117I1.14","url":null,"abstract":"Zeinab Foruzanfar1, Muhammad Kamran Jamil2, Mohammad Reza Farahani3 , Muhammad Imran4, Xiujun Zhang5 1Department of Engineering Sciences and Physics Buein Zahra Technical University Buein Zahra, Qazvin, IRAN 2Department of Mathematics Riphah Institute of Computing and Applied Sciences (RICAS) Riphah International University 14 Ali Road, Lahore, PAKISTAN 3Department of Applied Mathematics Iran University of Science and Technology (IUST) Narmak, Tehran 16844, IRAN 4Department of Mathematical Sciences United Arab Emirates University P.O. Box 15551, Al Ain, UNITED ARAB EMIRATES 4Department of Mathematics School of Natural Sciences (SNS) National University of Sciences and Technology (NUST) Sector H-12, Islamabad, PAKISTAN 5School of Information Science and Technology Chengdu University Chengdu, 610106, P.R. CHINA","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117118168","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
JULIA SETS AS COMPLEX POLYNOMIAL Julia设为复多项式
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/IJPAM.V117I1.8
M. Senthamaraikannan, R. Kamali, G. Jayalalitha
{"title":"JULIA SETS AS COMPLEX POLYNOMIAL","authors":"M. Senthamaraikannan, R. Kamali, G. Jayalalitha","doi":"10.12732/IJPAM.V117I1.8","DOIUrl":"https://doi.org/10.12732/IJPAM.V117I1.8","url":null,"abstract":"","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125093905","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
ISOMORPHISM ON ANTIFUZZY GRAPHS 反模糊图上的同构
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/IJPAM.V117I1.7
R. Seethalakshmi, R. B. Gnanajothi
{"title":"ISOMORPHISM ON ANTIFUZZY GRAPHS","authors":"R. Seethalakshmi, R. B. Gnanajothi","doi":"10.12732/IJPAM.V117I1.7","DOIUrl":"https://doi.org/10.12732/IJPAM.V117I1.7","url":null,"abstract":"The theory of fuzzy graphs was developed by Azriel Rosenfeld in 1975 [4]. Some operations of fuzzy graphs have been studied in [1] [2]. Sunitha and Vijayakumar [8] discussed about the complement of fuzzy graphs. Seethalakshmi and Gnanajothi [5] introduced the notion of antifuzzy graphs and discussed some of its properties. Nagoorgani and Malarvizhi [3] defined antipodal fuzzy graph and discussed its nature. Seethalakshmi and Gnanajothi [6], introduced antipodal antifuzzy graphs and discussed its properties. In this paper, isomorphism of antifuzzy graphs is introduced and it is discussed under various graph operations.","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128158408","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
INTEGRAL OPERATOR IN AMALGAM 汞合金中的积分算子
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/IJPAM.V117I1.2
S. Kumar
{"title":"INTEGRAL OPERATOR IN AMALGAM","authors":"S. Kumar","doi":"10.12732/IJPAM.V117I1.2","DOIUrl":"https://doi.org/10.12732/IJPAM.V117I1.2","url":null,"abstract":"","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130442164","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 $3$-DIMENSIONAL $psi$-RECURRENT $(LCS)_{n}$-MANIFOLDS 关于$3$维$psi$-递归$(LCS)_{n}$-流形
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/ijpam.v117i1.6
A. Prakash, A. Srivastava, Mobin Ahmad
{"title":"ON $3$-DIMENSIONAL $psi$-RECURRENT $(LCS)_{n}$-MANIFOLDS","authors":"A. Prakash, A. Srivastava, Mobin Ahmad","doi":"10.12732/ijpam.v117i1.6","DOIUrl":"https://doi.org/10.12732/ijpam.v117i1.6","url":null,"abstract":"","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130768313","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
MIXED QUADRATURE RULE FOR DOUBLE INTEGRALS 二重积分的混合积分规则
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/IJPAM.V117I1.1
Arjun Singh, S. Jena, B. B. Mishra
{"title":"MIXED QUADRATURE RULE FOR DOUBLE INTEGRALS","authors":"Arjun Singh, S. Jena, B. B. Mishra","doi":"10.12732/IJPAM.V117I1.1","DOIUrl":"https://doi.org/10.12732/IJPAM.V117I1.1","url":null,"abstract":"A mixed quadrature rule of precision five for double integrals which is a linear combination of Simpson’s 3 8 th rule and Gauss-Legendre-2 point rule, where each constituent rule is of degree of precision three in two variables is formulated. The rule is numerically tested taking some suitable texts and the error bound is determined. AMS Subject Classification: 65D30, 65D31","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133455367","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
APPLICATION OF MARKOWITZ PORTFOLIO OPTIMIZATION ON BULGARIAN STOCK MARKET FROM 2013 TO 2016 马科维茨投资组合优化在2013 - 2016年保加利亚股票市场的应用
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/IJPAM.V117I2.5
M. Ivanova, L. Dospatliev
{"title":"APPLICATION OF MARKOWITZ PORTFOLIO OPTIMIZATION ON BULGARIAN STOCK MARKET FROM 2013 TO 2016","authors":"M. Ivanova, L. Dospatliev","doi":"10.12732/IJPAM.V117I2.5","DOIUrl":"https://doi.org/10.12732/IJPAM.V117I2.5","url":null,"abstract":"Investors of any time and of any investment area are faced with the conflicting objective of minimizing risks and simultaneously maximizing returns. Considering the tradeoffs between risk and return, Harry Markowitz, an American financial economist, proposed the so-called optimal portfolio theory in 1952. The aim of this paper is to provide a practical study of Markowitz model on the Bulgarian stock market from 2013 to 2016. The significance of this study arises from the fact that although Markowitz model has been widely used by investors worldwide, its application on Bulgarian stock market is still relatively limited. From the data inputs which are weekly closing prices of 50 stocks traded on Bulgarian Stock Exchange between January 2013 and December 2016, efficient frontiers in addition to optimal portfolios are determined on the basis of Markowitz theory. As a result, Bulgarian investors can select their own optimal portfolio that maximizes portfolio rate of return with respect to their risk preference. AMS Subject Classification: 62-07, 49M37, 90C30, 34K60, 91B30 Received: 2017-06-14 Revised: 2017-11-15 Published: December 23, 2017 c © 2017 Academic Publications, Ltd. url: www.acadpubl.eu 292 M. Ivanova, L. Dospatliev","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130708427","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: 31
ON MATHEMATICAL MODELING OF THE COMPETITION BETWEEN THE IMMUNE SYSTEM AND VIRAL INFECTIONS 免疫系统与病毒感染竞争的数学模型
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/IJPAM.V117I2.7
A. Markovska, M. Kolev, I. Nikolová
{"title":"ON MATHEMATICAL MODELING OF THE COMPETITION BETWEEN THE IMMUNE SYSTEM AND VIRAL INFECTIONS","authors":"A. Markovska, M. Kolev, I. Nikolová","doi":"10.12732/IJPAM.V117I2.7","DOIUrl":"https://doi.org/10.12732/IJPAM.V117I2.7","url":null,"abstract":"A mathematical model of adaptive immune response to viral infection is formulated as a system of six ordinary differential equations (ODE). The model describes the interactions between virus, uninfected cells, infected cells, and the adaptive immune response represented by antibodies and two subpopulations of cytotoxic T lymphocytes (CTL): CTLprecursors and CTL-effectors. Theorems of existence, uniqueness and non-negativity of solutions are proven. Primary and secondary immune responses against viral infection are investigated by numerical simulations using Matlab. AMS Subject Classification: 65L04, 92C02, 92C06, 92C08","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125338431","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
EVALUATION OF THE IMPACT OF CONSUMPTION, INVESTMENT AND EXPORT ON IMPORT - DATA FROM GERMAN ECONOMY 消费、投资和出口对进口影响的评估——来自德国经济的数据
International Journal of Pure and Apllied Mathematics Pub Date : 2018-01-21 DOI: 10.12732/IJPAM.V117I2.6
M. Ivanova, L. Dospatliev
{"title":"EVALUATION OF THE IMPACT OF CONSUMPTION, INVESTMENT AND EXPORT ON IMPORT - DATA FROM GERMAN ECONOMY","authors":"M. Ivanova, L. Dospatliev","doi":"10.12732/IJPAM.V117I2.6","DOIUrl":"https://doi.org/10.12732/IJPAM.V117I2.6","url":null,"abstract":"German import represents 5.6% of total global imports and this establishes Germany as the third largest importer in the world. This study examines the dependence of imports on consumption, investment and exports in Germany, using time series data for the period 1997-2013. We received an error correction model that involved short-term and long-term effects and seasonal components. Based on the estimated model, with 1% increase in investment or exports the short-term effect would result in an increase in imports by 0.39% and 0.58%, respectively. We determined the period for which there would be a balance of imports in case of shock on independent variables. There is also a slight constant change in imports during different seasons and a general reduction of import growth by 5.59% on average. AMS Subject Classification: 62-07, 91B60, 91B64, 91B82","PeriodicalId":433362,"journal":{"name":"International Journal of Pure and Apllied Mathematics","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114530067","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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