Research in Mathematics, Volume 6, Issue 1 (2019)

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Cogent Mathematics & Statistics, Volume 6, Issue 1 (2019)

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Correction

Correction
Correction
Article: 1574255
Published online: 17 Jun 2019
CitationforCorrection | Full Text | PDF (440.5 KB)
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Research Article

The Gompertz Fréchet distribution: Properties and applications
Pelumi E. Oguntunde, Mundher A. Khaleel, Mohammed T. Ahmed & Hilary I. Okagbue
Article: 1568662
Published online: 04 Feb 2019
AbstractforThe Gompertz Fréchet distribution: Properties and applications | Full Text | References | PDF (1.3 MB)
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Retraction

RETRACTED ARTICLE: Design of an efficient and complete elicitation decision process in contingent valuation method
Junaid Ashraf & David Balding
Article: 1564164
Published online: 11 Feb 2019
First Page PreviewforRETRACTED ARTICLE: Design of an efficient and complete elicitation decision process in contingent valuation method | PDF (1.3 MB)
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Research Article

Article
Commentary on S. Kumar and P. Chhaparwal, 2016. A robust unbiased dual to product estimator for population mean through Modified Maximum Likelihood in simple random sampling, Cogent Mathematics, 3:1168070
Evrim Oral & Ece Oral
Article: 1596553
Published online: 03 Apr 2019
AbstractforCommentary on S. Kumar and P. Chhaparwal, 2016. A robust unbiased dual to product estimator for population mean through Modified Maximum Likelihood in simple random sampling, Cogent Mathematics, 3:1168070 | Full Text | References | PDF (525.6 KB)
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Research article

A family of measures of noncompactness in the space Lploc(ℝN) and its application to some nonlinear convolution type integral equations
Hojjatollah Amiri Kayvanloo, Mahnaz Khanehgir & Reza Allahyari
Article: 1592276
Published online: 23 Apr 2019
AbstractforA family of measures of noncompactness in the space Lploc(ℝN) and its application to some nonlinear convolution type integral equations | Full Text | References | PDF (1.2 MB)
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Research Article

Article
Geometric inequality of warped product semi-slant submanifolds of locally product Riemannian manifolds
Rifaqat Ali & Wan Ainun Mior Othman
Article: 1602017
Published online: 22 Apr 2019
AbstractforGeometric inequality of warped product semi-slant submanifolds of locally product Riemannian manifolds | Full Text | References | PDF (883.1 KB)
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Article
A simple and efficient method for finding the closest generalized lambda distribution to a specific model
Dilanka S. Dedduwakumara, Luke A. Prendergast & Robert G. Staudte
Article: 1602929
Published online: 23 Apr 2019
AbstractforA simple and efficient method for finding the closest generalized lambda distribution to a specific model | Full Text | References | PDF (1.1 MB)
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Almost sure asymptotic stability for some stochastic partial functional integrodifferential equations on Hilbert spaces
Moustapha Dieye, Mamadou Abdoul Diop & Khalil Ezzinbi
Article: 1602928
Published online: 25 Apr 2019
AbstractforAlmost sure asymptotic stability for some stochastic partial functional integrodifferential equations on Hilbert spaces | Full Text | References | PDF (1.2 MB)
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Article
A hybrid direction algorithm for solving optimal control problems
Mohamed Abdelaziz Zaitri, Mohand Ouamer Bibi & Mohand Bentobache
Article: 1612614
Published online: 20 May 2019
AbstractforA hybrid direction algorithm for solving optimal control problems | Full Text | References | PDF (1.1 MB)
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Research article

Testing the mean of skewed distributions applying the maximum likelihood estimator
I-Shiang Tzeng & Li-Shya Chen
Article: 1588191
Published online: 06 May 2019
AbstractforTesting the mean of skewed distributions applying the maximum likelihood estimator | Full Text | References | PDF (1.1 MB)
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Article
On bounding the Thompson metric by Schatten norms
David A. Snyder
Article: 1614318
Published online: 26 May 2019
AbstractforOn bounding the Thompson metric by Schatten norms | Full Text | References | PDF (1 MB)
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Research Article

Properties of Gompertz data revealed with non-Gompertz integrable difference equation
Daisuke Satoh
Article: 1596552
Published online: 16 May 2019
AbstractforProperties of Gompertz data revealed with non-Gompertz integrable difference equation | Full Text | References | PDF (1.4 MB)
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Article
An extension of Rayleigh distribution and applications
Kahkashan Ateeq, Tahira Bano Qasim & Ayesha Rehman Alvi
Article: 1622191
Published online: 31 May 2019
AbstractforAn extension of Rayleigh distribution and applications | Full Text | References | PDF (1.4 MB)
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Research article

Article
The principal problem with principal components regression
Heidi Artigue & Gary Smith
Article: 1622190
Published online: 31 May 2019
AbstractforThe principal problem with principal components regression | Full Text | References | PDF (988.9 KB)
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Research Article

An extension of Darbo’s theorem and its application to existence of solution for a system of integral equations
Shahram Banaei
Article: 1614319
Published online: 26 May 2019
AbstractforAn extension of Darbo’s theorem and its application to existence of solution for a system of integral equations | Full Text | References | PDF (1.1 MB)
  • 640 Views
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Article
Continuous wavelet transform of Schwartz tempered distributions
J.N. Pandey & S.K. Upadhyay
Article: 1623647
Published online: 11 Jun 2019
AbstractforContinuous wavelet transform of Schwartz tempered distributions | Full Text | References | PDF (1.2 MB)
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Research article

Article
Derivation algebra of direct sum of lie algebras
Mohammad Reza Alemi & Farshid Saeedi
Article: 1624244
Published online: 11 Jun 2019
AbstractforDerivation algebra of direct sum of lie algebras | Full Text | References | PDF (895.9 KB)
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Research Article

Article
Leading eigenvalues of adjacency matrices of star-like graphs with fixed numbers of vertices and edges
William D. Fries & Miaohua Jiang
Article: 1628513
Published online: 18 Jun 2019
AbstractforLeading eigenvalues of adjacency matrices of star-like graphs with fixed numbers of vertices and edges | Full Text | References | PDF (816.6 KB)
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Article
An inverse boundary value problem for a linearized Benny–Luc equation with nonlocal boundary conditions
Yashar T. Mehraliyev, Bahar K. Valiyeva & Aysel T. Ramazanova
Article: 1634316
Published online: 10 Jul 2019
AbstractforAn inverse boundary value problem for a linearized Benny–Luc equation with nonlocal boundary conditions | Full Text | References | PDF (1.5 MB)
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Prevention strategy for superinfection mathematical model tuberculosis and HIV associated with AIDS
Muhammad Tahir, Syed Inayat Ali Shah & Gul Zaman
Article: 1637166
Published online: 18 Jul 2019
AbstractforPrevention strategy for superinfection mathematical model tuberculosis and HIV associated with AIDS | Full Text | References | PDF (1.9 MB)
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Mathematical modelling and analysis of alcohol-methamphetamine co-abuse in the Western Cape Province of South Africa
T. O. Orwa & F. Nyabadza
Article: 1641175
Published online: 20 Jul 2019
AbstractforMathematical modelling and analysis of alcohol-methamphetamine co-abuse in the Western Cape Province of South Africa | Full Text | References | PDF (2.3 MB)
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Article
Optimization of the richardson integration over fluctuations of its step sizes
Bhupendra Nath Tiwari & Amarasingha Arachchige Mihiri Chathurika
Article: 1643438
Published online: 08 Aug 2019
AbstractforOptimization of the richardson integration over fluctuations of its step sizes | Full Text | References | PDF (2.6 MB)
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Research article

Article
A SAS macro to compute HUI summary and utility scores: An application to the Fit Blue study
Mehmet Kocak, Jiajing Wang, Rebecca Krukowski, Wayne G. Talcott & Robert C. Klesges
Article: 1649788
Published online: 12 Aug 2019
AbstractforA SAS macro to compute HUI summary and utility scores: An application to the Fit Blue study | Full Text | References | PDF (3 MB)
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Research Article

On α-skew McCoy ideals related to a monoid
Vahid Aghapouramin & Mohammad Javad Nikmehr
Article: 1564169
Published online: 01 Aug 2019
AbstractforOn α-skew McCoy ideals related to a monoid | Full Text | References | PDF (903.9 KB)
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Article
Some fixed point theorems for convex contractive mappings in complete metric spaces with applications
Kanayo Stella Eke, Victoria Olusola Olisama & sheila Amina Bishop
Article: 1655870
Published online: 28 Aug 2019
AbstractforSome fixed point theorems for convex contractive mappings in complete metric spaces with applications | Full Text | References | PDF (995.9 KB)
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Model selection among growth curve models that have the same number of parameters
Daisuke Satoh
Article: 1660503
Published online: 16 Sep 2019
AbstractforModel selection among growth curve models that have the same number of parameters | Full Text | References | PDF (1.5 MB)
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Article
Study-type determinants and their properties
Naoya Yamaguchi
Article: 1683131
Published online: 14 Nov 2019
AbstractforStudy-type determinants and their properties | Full Text | References | PDF (1.8 MB)
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Article
Inference for the log-logistic distribution based on an adaptive progressive type-II censoring scheme
Maha F. Sewailem & Ayman Baklizi
Article: 1684228
Published online: 11 Nov 2019
AbstractforInference for the log-logistic distribution based on an adaptive progressive type-II censoring scheme | Full Text | References | PDF (1.5 MB)
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Article
Local asymptotic normality and efficient estimation for multivariate GINAR(p) models
Hiroshi Shiraishi
Article: 1695437
Published online: 06 Dec 2019
AbstractforLocal asymptotic normality and efficient estimation for multivariate GINAR(p) models | Full Text | References | PDF (1.5 MB)
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An algorithm for data reconstruction from published articles – Application on insect life tables
D.N. Kareithi, D. Salifu, N. Owuor, S. Subramanian & E.Z.H. Tonnang
Article: 1701377
Published online: 18 Dec 2019
AbstractforAn algorithm for data reconstruction from published articles – Application on insect life tables | Full Text | References | PDF (1.4 MB)
  • 1063 Views
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Article
Computer algebra and algorithms for unbiased moment estimation of arbitrary order
Inna Gerlovina & Alan E. Hubbard
Article: 1701917
Published online: 21 Dec 2019
AbstractforComputer algebra and algorithms for unbiased moment estimation of arbitrary order | Full Text | References | PDF (996.7 KB)
  • 897 Views
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Article
Application of measures of noncompactness to the system of integral equations
Shahram Banaei & Ayub Samadi
Article: 1702860
Published online: 23 Dec 2019
AbstractforApplication of measures of noncompactness to the system of integral equations | Full Text | References | PDF (964.4 KB)
  • 971 Views
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Retraction

Retraction
Statement of Retraction: Design of an efficient and complete elicitation decision process in contingent valuation method
Article: 1703298
Published online: 18 Dec 2019
CitationforStatement of Retraction: Design of an efficient and complete elicitation decision process in contingent valuation method | Full Text | PDF (499.4 KB)
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