Home »
Academic Articles & Research Papers
Showing 20 of 4,879 academic articles
Zhijia Du, Junyue Yue, Zirui Lin, Xiaoyu Han • Frontiers in Psychology
(2026)
IntroductionPerceived community environment is an important contextual factor related to depressive symptoms in later life. However, few studies have examined whether physical activity (PA), a modifiable behavioral factor, moderates this as...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fpsyg.2026.1893833
Yavuz Aslan, Orhan Koçak, Aysel Basmacı Kaya, Abdulmohsen Mohammed Abdullah Alkhulayfi et al. • Acta Psychologica
(2025)
Purpose: University students often face psychological challenges, particularly loneliness and hopelessness, which are exacerbated by factors such as limited social interactions, economic uncertainty, lack of employment opportunities, and th...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.actpsy.2025.105315
Sarinya L. Suttharattanagul, Nisit Manotungvorapun • Frontiers in Sustainability
(2026)
In recent years, sustainability has been receiving attention across various academic disciplines and businesses, particularly in consumer behavior. However, limited studies employ the sociological perspective and brand image to understand h...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/frsus.2025.1716245
Stéphane Le Roux, Arno Pauly • Logical Methods in Computer Science
(2015)
We investigate choice principles in the Weihrauch lattice for finite sets on
the one hand, and convex sets on the other hand. Increasing cardinality and
increasing dimension both correspond to increasing Weihrauch degrees. Moreover,
we demo...
DOAJ
Open Access (DOAJ)
DOI: 10.2168/LMCS-11(4:6)2015
Kshitij RB Singh, Parikipandla Sridevi, Ravindra Pratap Singh • Engineering Reports
(2020)
Abstract Peptide Nucleic Acid (PNA) are DNA/RNA synthetic analogs with 2‐([2‐aminoethyl] amino) acetic acid backbone. They partake unique antisense and antigene properties, just due to its inhibitory effect on transcription and translation;...
DOAJ
Open Access (DOAJ)
DOI: 10.1002/eng2.12238
• Cambridge University Press eBooks
(1984)
The twentieth century has witnessed an unprecedented 'crisis in the foundations of mathematics', featuring a world-famous paradox (Russell's Paradox), a challenge to 'classical' mathematics from a world-famous mathematician (the 'mathematic...
OPENALEX
DOI: https://doi.org/10.1017/cbo9781139171519
Elizabeth H. Fennema, Gilah C. Leder (1990)
This edited collection describes how the Autonomous Learning Behaviours (ALB) model, formulated by Fennema and Peterson, specifically relates to gender differences in mathematics education, learning and performance. The book provides a back...
OPENALEX
S M Mizanoor Rahman, Ryojun Ikeura • International Journal of Advanced Robotic Systems
(2018)
Weight-perception-based fixed admittance control algorithm and variable admittance control algorithm are proposed for unimanual and bimanual lifting of objects with a power assist robotic system. To include weight perception in controls, th...
DOAJ
Open Access (DOAJ)
DOI: 10.1177/1729881416678131
Bruno Zachrisson, Onesio Martinez • Tecnociencia
(2011)
Se realizaron estudios bioecológicos de laboratorio y de campo para las localidades de Río Hato (Provincia de Coclé, Panamá), Chepo (Provincia de Panamá, Panamá). Se determinó la tasa de parasitismo de Trissolcus basalis y Telenomus podis...
DOAJ
Open Access (DOAJ)
Sri Suryanti, Toto Nusantara, I Nengah Parta, Santi Irawati • JTAM (Jurnal Teori dan Aplikasi Matematika)
(2023)
Mathematics education and teaching should not only include routine tasks; but tasks that need practice and memorization are mathematically more prosperous and more difficult because they promote problem-solving, investigation, and the disco...
DOAJ
Open Access (DOAJ)
DOI: 10.31764/jtam.v7i2.12864
Rehez Ahlip, Laurence A. F. Park, Ante Prodan • Journal of Mathematical Sciences and Modelling
(2018)
We examine European call options in the jump-diffusion version of the Double Heston stochastic volatility model for the underlying price process to provide a more flexible model for the term structure of volatility. We assume, in addition, ...
DOAJ
Open Access (DOAJ)
DOI: 10.33187/jmsm.432019
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
Bas van Geffen, Bart Jansen, Arnoud de Kroon, Rolf Morel • Journal of Graph Algorithms and Applications
(2020)
Many combinatorial problems can be solved in time $\mathcal{O}^*(c^{\mathrm{tw}})$ on graphs of treewidth $\mathrm{tw}$, for a problem-specific constant $c$. In several cases, matching upper and lower bounds on $c$ are known based on the St...
DOAJ
Open Access (DOAJ)
DOI: 10.7155/jgaa.00542
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
Mogens Niss, Tomas Højgaard • Educational Studies in Mathematics
(2019)
OPENALEX
Open Access
DOI: https://doi.org/10.1007/s10649-019-09903-9
Zhongfu SUN, Yongli LI, Feixiang ZHENG, Keming DU et al. • 大数据
(2019)
At present time,China is entering an important period of upgradation and transitionin agriculture,therefore,promoting smart agriculture development will be becoming the prior way with integration of modern information technology.Firstly,the...
DOAJ
Open Access (DOAJ)
J. Praveen, S.K. Narasimhamurthy • Nuclear Physics B
(2025)
In this study we explore cosmological anisotropies and dark energy using Finsler-Randers geometry, an extension of Riemannian geometry that incorporates directional dependence in the spacetime structure. We investigate whether Finslerian mo...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.nuclphysb.2025.116899
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
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
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...
OPENALEX
DOI: https://doi.org/10.1016/j.adolescence.2003.11.003