Home »
Academic Articles & Research Papers
Showing 20 of 4,465 academic articles
Rhoda Dadzie-Dennis, Samuel K.-B. Dzidzornu • Journal of Applied Mathematics
(2026)
The study contributes a contemporary perspective to the evolving discourse on the relative performance of three managed investing styles: Deep Value, Growth, and Blended portfolios. Deep Value investing focuses on fundamentally strong but u...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/jama/8261109
Marie Gaille, Marco Araneda, Clément Dubost, Clémence Guillermain et al. • BMC Medical Ethics
(2020)
Abstract Background The discovery of biomarkers of ageing has led to the development of predictors of impending natural death and has paved the way for personalised estimation of the risk of death in the general population. This study inten...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12910-020-00502-5
Dong-Woo Han, Wonyoung Jung, Kyu Na Lee, Kyungdo Han et al. • Scientific Reports
(2023)
Abstract Smoking patients with diabetes mellitus (DM) are at greater risk of developing pneumonia. How smoking behavior changes affect the risk of pneumonia hospitalization, however, remains unclear. Therefore, we investigated the associati...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-023-40658-9
Sylvester Sebola, Niladri Chakraborty, Morné Rowan Sjölander • Mathematics
(2026)
This paper proposes a combined maximal precedence–exceedance test (MPErs) that integrates maximal precedence and maximal exceedance statistics tests to provide sensitivity to both early and late distributional differences between two sample...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math14203658
Asfand Fahad, Zammad Ali, Shigeru Furuichi, Yuanheng Wang • Alexandria Engineering Journal
(2025)
Due to applicability of mathematical inequalities in control systems, actuarial science, information theory and its utilization in other sciences, several researchers are inclined to prove their refinements and generalizations. In the study...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.aej.2024.11.034
Shuanming Li, Yi Lu • Risks
(2018)
This paper studies the moments and the distribution of the aggregate discounted claims (ADCs) in a Markovian environment, where the claim arrivals, claim amounts, and forces of interest (for discounting) are influenced by an underlying Mark...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/risks6020059
Samuel Asante Gyamerah, Victor Owusu, Stephen Oppong Kwakye • Scientific African
(2024)
The impacts of climate variability indicators on crop yields have attracted global attention over the years. This is particularly so because of the growing concern about the effect of climate change on sustainable food production, especiall...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.sciaf.2024.e02314
Yan Dora Zhang, Amber N. Hurson, Haoyu Zhang, Parichoy Pal Choudhury et al. • Nature Communications
(2020)
In cancer many gene variants may contribute to disease etiology, but the impact of a given gene variant may have varied effect size. Here, the authors analyse summary statistics of genome-wide association studies from fourteen cancers, and ...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41467-020-16483-3
Eric Nyarko, Irene A. Kretchy, Grace Lovia Allotey-Babington, Adwoa Oforiwaa Kwakye et al. • BMC Infectious Diseases
(2026)
Abstract Background Poor adherence to antiretroviral therapy (ART) continues to undermine HIV treatment outcomes in sub-Saharan Africa, including Ghana. Objective This study aimed to quantify ART treatment adherence among people living with...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12879-026-13836-z
Samuel Kipsang Kaptum, Jane Aduda Akinyi, Philip Ngare, Amos Kipkorir Langat • Scientific African
(2025)
Herd behaviour in socio-economic systems is characterised by asynchronous, stochastic decision-making that traditional models capture imperfectly. Discrete-time DTMCs impose fixed-tick synchrony and require binning, which distorts event tim...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.sciaf.2025.e03042
Tristan Curteis, Augustine Wigle, Christopher J. Michaels, Adriani Nikolakopoulou • BMC Medical Research Methodology
(2025)
Abstract Background In network meta-analysis (NMA), the magnitude of difference between treatment effects is typically ignored in the calculation of ranking metrics, such as probability best and surface under the cumulative ranking curve (S...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12874-025-02499-0
Frank Kofi Owusu, Peter Amoako-Yirenkyi, Nana Kena Frempong, Akoto Yaw Omari-Sasu et al. • Heliyon
(2023)
In this extant paper, a multivariate time series model using the seemingly unrelated times series equation (SUTSE) framework is proposed to forecast the peak and short-term electricity demand using time series data from February 2, 2014, to...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.heliyon.2023.e18821
George Ukam, Charles Adams, Atinuke Adebanji, Williams Ackaah • Cogent Engineering
(2024)
The nature of paratransit services makes for increased uncertainty in trip time, leading to reported unreliability and dissatisfaction by the users. While providing travel information has proved helpful in formal bus services and has been r...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/23311916.2024.2386383
Japheth Musingila Mwongela, Caroline Kanyiri, Virginia Kitetu • Journal of Applied Mathematics
(2026)
Leptospirosis is a widespread zoonotic bacterial disease that continues to pose a major public health challenge, particularly in developing countries where it causes substantial morbidity, mortality, and economic losses. A key problem in co...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/jama/5513951
Peter Olusakin Oladoye, Timothy Oladiran Ajiboye, Wycliffe Chisutia Wanyonyi, Elizabeth Oyinkansola Omotola et al. • Sustainable Chemistry for the Environment
(2023)
The extensive usage of malachite green (MG) dyes in the fish and dye industries cause serious water pollution, leading to catastrophic effects on living organisms and the environment. In addressing the challenges of health risks related to ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.scenv.2023.100033
Olga Vishnyakova, Joosung Min, Stephen Leach, Xiaowei Song et al. • Communications Medicine
(2026)
Abstract Background Chronological age does not capture individual health or resilience. Advances in metabolomics have enabled development of molecular aging biomarkers that capture deviations between biological and chronological age, highli...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s43856-026-01375-2
László Sipos, Kolos Csaba Ágoston, Péter Biró, Sándor Bozóki et al. • Current Research in Food Science
(2025)
Consumer sensory testing is the basis for determining directions of product development in the food industry. However, while compliance assessment by trained and expert assessors is well developed, few information is available on testing co...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.crfs.2025.100982
Susan A. Kirkland, Lauren E. Griffith, Urun Erbas Oz, Mary Thompson et al. • BMC Public Health
(2023)
Abstract Background Older adults have been disproportionately impacted by COVID-19 and related preventative measures undertaken during the pandemic. Given clear evidence of the relationship between loneliness and health outcomes, it is impe...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12889-023-15807-4
Audrey Béliveau, Devon J. Boyne, Justin Slater, Darren Brenner et al. • BMC Medical Research Methodology
(2019)
Abstract Background Several reviews have noted shortcomings regarding the quality and reporting of network meta-analyses (NMAs). We suspect that this issue may be partially attributable to limitations in current NMA software which do not re...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12874-019-0829-2
Nana Poku Appiagyei Nantwi, Anani Lotsi, Godwin Debrah • Scientific African
(2022)
We study the financial impact of longevity risk on defined benefit (DB) pension plan liabilities using the 2010 Ghana population census, and the Lee-Carter model. We compare the usual Lee-Carter model to an extended version. While we observ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.sciaf.2022.e01241