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Academic Articles & Research Papers
Showing 20 of 3,812 academic articles
Irina Astashova • Mathematical Modelling and Analysis
(2016)
The asymptotic behavior of all solutions to the fourth-order Emden– Fowler type differential equation with singular nonlinearity is investigated. The equation is transformed into a system on the three-dimensional sphere. By investigation of...
DOAJ
Open Access (DOAJ)
DOI: 10.3846/13926292.2016.1185043
Saritha Kodikara, Kim-Anh Lê Cao • Microbiome
(2025)
Abstract Background The microbiome is a complex ecosystem of interdependent taxa that has traditionally been studied through cross-sectional studies. However, longitudinal microbiome studies are becoming increasingly popular. These studies ...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s40168-025-02041-w
Haihua Yu, Zhiyi Zhuo, Jing Zhang • SAGE Open
(2023)
Based on the Internet Finance development index developed by Peking University in investigating 31 provinces, we use social network analysis to investigate the spatial correlation and influencing factors of the Internet Finance of China’s p...
DOAJ
Open Access (DOAJ)
DOI: 10.1177/21582440231193340
Elisa Atza, Rob Klooster, Falko Hofstra, Frank van der Werff et al. • Scientific Reports
(2025)
Abstract The vigor of potato plants is of crucial importance for potato seed producers, who are interested in predicting it at scale by exploiting the dependence of plant growth and development on the origin and physiological state of the s...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-025-13024-0
Darman Agung Sandakila, Gracetia Devita Hadi, Riska Gultom, Seni Samalele et al. • Aceh Journal of Animal Science
(2024)
The Black Soldier Fly (Hermetia illucens L.) or BSF is one of a group of insects that has a length of 15-20 mm originating from America. The larvae of the BSF has a high protein content (44.26%), which has great potential in treating wound ...
DOAJ
Open Access (DOAJ)
DOI: 10.13170/ajas.9.3.42024
Shengbao Wang, Yixiao Wu, Kang Wen, Xin Zhou et al. • Mathematics
(2025)
We conduct a cryptanalysis of the Vehicle-to-Infrastructure (V2I) handover authentication protocol newly developed by Son et al., which incorporates blockchain technology for authentication purposes. Although this approach is notably effici...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math13071118
Matius Tadi, Besse Arnawisuda Ningsi • Jurnal Lebesgue
(2023)
Poverty is a special problem that needs to be discussed in Indonesia. Because poverty that occurs in a certain area will have an impact on development in Indonesia. Banten province has a percentage of 6.04 percent with a total poverty of 57...
DOAJ
Open Access (DOAJ)
DOI: 10.46306/lb.v4i1.224
Bed Raj Acharya • International Journal of Elementary Education
(2017)
This article explores the adversities faced by public school students in learning mathematics in their leaning context. The main purpose of this study was to explore the causes of learning difficulties in mathematics. The design of the stud...
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DOI: https://doi.org/10.11648/j.ijeedu.20170602.11
Ward Cheney, David R. Kincaid (1980)
Authors Ward Cheney and David Kincaid show students of science and engineering the potential computers have for solving numerical problems and give them ample opportunities to hone their skills in programming and problem solving. The text a...
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Tommy Dreyfus • Cambridge University Press eBooks
(1990)
This chapter presents the principal currents and results in recent cognitive research on advanced mathematical thinking processes. The ambiguity in the phrase advanced mathematical thinking processes is intentional: The word advanced can an...
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DOI: https://doi.org/10.1017/cbo9781139013499.008
Gary E. Meek, William M. Mendenhall, Richard L. Scheaffer, Dennis D. Wackerly • Technometrics
(1987)
This calculus-based book presents a blend of theory and application. It focuses on inference making as the goal of studying probability and statistics, and features an emphasis on real-life applications of the mathematically divided techniq...
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DOI: https://doi.org/10.1080/00401706.1987.10488256
Shewafera Wondimagegnhu Teklu, M. A. Abdelkawy, Waleed Adel • Complexity
(2026)
Misinformation spreads through communities in ways that resemble infectious diseases, but existing mathematical models often miss three real-world complexities: People remember past information (memory effects), some folks are more easily f...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/cplx/8861194
Subhas Khajanchi, Kankan Sarkar, Jayanta Mondal, Kottakkaran Sooppy Nisar et al. • Results in Physics
(2021)
Mathematical modeling plays an important role to better understand the disease dynamics and designing strategies to manage quickly spreading infectious diseases in lack of an effective vaccine or specific antivirals. During this period, for...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.rinp.2021.104285
Jim Tattersall, Victor Katz • College Mathematics Journal
(1994)
Part I. Ancient Mathematics 1. Egypt and Mesopotamia 1.1 Egypt 1.2 Mesopotamia 2. The Beginnings of Mathematics in Greece 2.1 The Earliest Greek Mathematics 2.2 The Time of Plato 2.3 Aristotle 3. Euclid 3.1 Introduction to the Elements 3.2 ...
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DOI: https://doi.org/10.2307/2687626
José Salvado, Maria do Rosário Calado, António Espírito Santo, Anna Guerman • Modelling and Simulation in Engineering
(2017)
This paper addresses the problem of vibrations produced by switched reluctance actuators, focusing on the linear configuration of this type of machines, aiming at its characterization regarding the structural vibrations. The complexity of t...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2017/3258376
Xingyu Yan, Xiaolong Pu, Yingchun Zhou, Xiaolei Xun • Statistical Theory and Related Fields
(2020)
The unified weighing scheme for the local-linear smoother in analysing functional data can deal with data that are dense, sparse or of neither type. In this paper, we focus on the convergence rate of functional principal component analysis ...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/24754269.2019.1656048
Xin Ma, Jiangming Xu • Journal of Adolescence
(2003)
Using data from the Longitudinal Study of American Youth (LSAY), we aimed to determine the causal ordering between mathematics anxiety and mathematics achievement. Results of structural equation modelling showed that, across the entire juni...
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DOI: https://doi.org/10.1016/j.adolescence.2003.11.003
Xin Ma • Journal for Research in Mathematics Education
(1999)
In this meta-analysis I examined 26 studies on the relationship between anxiety toward mathematics and achievement in mathematics among elementary and secondary students. The common population correlation for the relationship is significant...
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DOI: https://doi.org/10.2307/749772
Khan Mohsin, Sheheryar Shah, Amra Al Kenany, Meshal Shutaywi et al. • Discover Nano
(2026)
Abstract In the modern era, energy has become a vital concern across all sectors, while efficient energy generation remains a significant challenge for scientists and engineers. To overcome this issue, researchers have developed ternary hyb...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s11671-026-04821-1
Mirko Viroli D • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna)
(2017)
Mathematical Problems in Engineering is a peer-reviewed, open access journal that publishes results of rigorous engineering research carried out using mathematical tools. Contributions containing formulations or results related to applicati...
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