Editorial: Mathematical foundations in biological modelling and simulation by Gilberto González-Parra, Hana M. Dobrovolny

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Models, Metaphors and Symbols for Information and Knowledge Systems by David Williams

“…Wisdom continues to be added to the model to further confuse the issue. This model constrains our ability to think more logically about how and why we develop knowledge management systems to support and enhance knowledge- intensive processes, tasks or projects. …”
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Study on predictive models for COVID-19 in Cuba by Juan Felipe Medina Mendieta, Manuel Eduardo Cortés Cortés, Manuel Cortés Iglesias, Annia del Carmen Pérez Fernández, Marianelis Manzano Cabrera

“…<br /><strong>Methods:</strong> the least squares method was used to obtain the parameters using linear (MCL) and nonlinear (MCNL) models. Logistic and exponential models, such as the logistic growth curve, used to model population growth (Gompertz growth models), were applied to the growth prediction of infected cases and / or deaths, respectively.…”
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Stem Cells as In Vitro Model of Parkinson's Disease by Patricia L. Martínez-Morales, Isabel Liste

“…Progress in understanding neurodegenerative cell biology in Parkinson's disease (PD) has been hampered by a lack of predictive and relevant cellular models. In addition, the lack of an adequate in vitro human neuron cell-based model has been an obstacle for the uncover of new drugs for treating PD. …”
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Option Pricing under the Subordinated Market Models by Longjin Lv, Changjuan Zheng, Luna Wang

“…In the comparison with the classic Black–Sholes model, we find the option prices become higher, and the “volatility smiles” phenomenon happens in the proposed model. …”
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Benchmarking protein language models for protein crystallization by Raghvendra Mall, Rahul Kaushik, Zachary A. Martinez, Matt W. Thomson, Filippo Castiglione

Subjects: “…Open protein language models (PLMs)…”
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Presenting an Evaluation Model of Digital Libraries (Iran) by Alireza Isfandyari Moghaddam, Atefeh Zarei, Elham Naiich

Subjects: “…digital library evaluation model…”
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Modeling dynamics on the dance floor with directional swarmalators by Petri Toiviainen, Petri Toiviainen, Joshua S. Bamford, Joshua S. Bamford, Joshua S. Bamford, Marc R. Thompson, Marc R. Thompson

“…Our model aims to reflect the complex dynamics of collective movement, as well as rhythmic synchronization and gaze alignment. …”
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The Inverse Problem of Identification of Hydrogen Permeability Model by Yury V. Zaika, Natalia I. Rodchenkova, Ekaterina K. Kostikova

“…One had to estimate the parameters of diffusion and sorption to numerically model the different scenarios and experimental conditions of the material usage (including extreme ones). …”
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A Stochastic Dynamic Model of Computer Viruses by Chunming Zhang, Yun Zhao, Yingjiang Wu, Shuwen Deng

“…A stochastic computer virus spread model is proposed and its dynamic behavior is fully investigated. …”
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Detecting and Predicting Models for QoS Optimization in SDN by Getahun Wassie, Jianguo Ding, Yihenew Wondie

“…In this regard, we employed DNN and CNN deep learning models to detect elephant flows, and the random forest model predicts elephant flows in the SDN. …”
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Positive solutions for nonlinear elastic beam models by Bendong Lou

“…We give a negative answer to a conjecture of Korman on nonlinear elastic beam models. Moreover, by modifying the main conditions in the conjecture (generalizing the original ones at some points), we get positive results, that is, we obtain the existence of positive solutions for the models.…”
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Toy Models of a Nonassociative Quantum Mechanics by Vladimir Dzhunushaliev

“…Toy models of a nonassociative quantum mechanics are presented. …”
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Parameter estimation in a structured erythropoiesis model by Azmy S. Ackleh, Jeremy J. Thibodeaux

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Exemplary Youth Leadership Series: Model the Way by Megan Stein

“…This new 2-page article allows students to engage with the first practice: modeling the way. Leaders must identify and exemplify values in order to be effective. …”
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A Simple Epidemic Model with Surprising Dynamics by F. Berezovskaya, G. Karev, Baojun Song, Carlos Castillo-Chavez

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Application of the age-period-cohort model in tuberculosis by Dan Luo, Fengying Wang, Songhua Chen, Yu Zhang, Wei Wang, Qian Wu, Yuxiao Ling, Yiqing Zhou, Yang Li, Kui Liu, Bin Chen

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A perturbation-based model for rectifier circuits by Vipin B. Vats, H. Parthasarathy

“…The various terms appearing in the perturbation series are then modeled in the form of an equivalent circuit. This model is subsequently used in the analysis of full-wave rectifier. …”
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On a data model associated with antitrust behaviors by Weiguang Zhou, Guangxin Wang, Jixiao Lu, Hongxin Ruan, Jun Wang, Rui Zhang

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Mathematical model for the growth of Mycobacterium tuberculosis in the granuloma by Eduardo Ibargüen-Mondragón, Lourdes Esteva, Edith Mariela Burbano-Rosero

“…In this work we formulate a model for the population dynamics of Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis (TB). …”
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