Characterizing semi-directed phylogenetic networks and their multi-rootable variants [0.03%]
半有向谱系网络及其多根特性变体的特征分析
Niels Holtgrefe,Katharina T Huber,Leo van Iersel et al.
Niels Holtgrefe et al.
In evolutionary biology, phylogenetic networks are graphs that provide a flexible framework for representing complex evolutionary histories that involve reticulate evolutionary events. Recently, phylogenetic studies have started to focus on...
Exploring dynamical patterns and optical solutions of space-time fractional-order double-chain deoxyribonucleic acid model with Atangana's conformable derivative [0.03%]
具有Atangana conforms导数的时空分数阶双链脱氧核糖核酸模型的动力学模式及光学解决方案的研究
Alamgir Hossain,Nur Alam,Farhad Hossain et al.
Alamgir Hossain et al.
DNA, or deoxyribonucleic acid, exists in every human cell, including hair, blood, and skin, carrying the genetic blueprint for all living organisms. Comprised of two strands with four nucleotides-adenine (A), thymine (T), cytosine (C), and ...
When life began with fully acquired heredity: a non-standard hypothesis of evolutionary origins [0.03%]
生命以完全获得的遗传开始的时候——一个关于进化起源的非标准假说
Qi Cao,Yuange Duan
Qi Cao
The establishment of a knowledge system often relies on a set of unfalsifiable axioms. When these foundational assumptions change, they can give rise to entirely new, yet internally consistent frameworks. The emergence of non-Euclidean geom...
Epidemic threshold : a Laplacian spectral and structural approach of prediction [0.03%]
基于拉普拉斯谱和结构的流行病阈值预测方法研究
Claude Kanyou,Etienne Kouokam,Norbert Tsopze
Claude Kanyou
In epidemiology studies, control processes are driven by key parameters, such as R 0 , the epidemic threshold τ over a contact network. By network-based models, the knowledge of network structures improves the prediction of τ , w...
Achraf Zinihi,Moulay Rchid Sidi Ammi,Ahmed Bachir
Achraf Zinihi
This article proposes a reaction-diffusion SIQR epidemiological model with the inclusion of the Laplacian operator and by considering two diffusion coefficients. Our primary focus is to investigate the influence of quarantine measures on di...
A semi-analytical approach and theoretical investigation to multi-dimensional DNA models [0.03%]
多维DNA模型的半分析方法和理论研究
Khalid K Ali,Mohamed S Mohamed,M Maneea et al.
Khalid K Ali et al.
The dynamics of DNA molecules play a crucial role in understanding genetic information storage, replication, and transmission. This study investigates the nonlinear dynamics of double-chain DNA systems using fractional-order differential eq...
Valeriy G Narushin,Natalia A Volkova,Alan Yu Dzhagaev et al.
Valeriy G Narushin et al.
Smart's model (SM) describing the geometry of avian eggs is, uniquely, based on physiological characteristics of eggs formation in oviduct walls transforming a sphere to an ellipsoid, to an ovoid. The purpose of this study was to revisit an...
A novel passivity-based design for Lipschitz nonlinear systems with application to hepatitis B disease [0.03%]
一种新的基于被动性的李普希兹非线性系统设计及在乙型肝炎疾病中的应用
Shaghayegh Gorji,Ahmad Fakharian,Rezvan Abbasi
Shaghayegh Gorji
In this paper, an innovative passive formulation has been developed for a wide range of nonlinear systems. During this formulation, a stable and passive state-observer is provided which leads to have a passive closed-loop system. Some remar...
Modeling influenza transmission and control: epidemic theory insights across Mexico, Italy, and South Africa [0.03%]
流感的传播和控制模型：墨西哥、意大利和南非的流行病学理论见解
Md Kamrujjaman,Kazi Mehedi Mohammad
Md Kamrujjaman
A mathematical analysis of influenza virus transmission is undertaken, combining rigorous theoretical development with numerical simulations informed by real-world data. The terms in the equations introduce parameters which are determined b...
Traveling wave solutions in a delayed local and nonlocal diffusion model for a generalized SIR epidemic model [0.03%]
时滞局部和非局部扩散的广义SIR流行病模型的行波解
Rassim Darazirar
Rassim Darazirar
In this paper, we investigate traveling wave solutions for a delayed reaction-diffusion epidemic model incorporating both local and nonlocal diffusion mechanisms. The model describes the dynamics of susceptible, infected, and recovered popu...