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  • 1
    Online Resource
    Online Resource
    Cham :Springer International Publishing AG,
    Keywords: Biology-Mathematical models. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (332 pages)
    Edition: 1st ed.
    ISBN: 9783319426792
    Series Statement: Lecture Notes in Mathematics Series ; v.2167
    DDC: 570.151
    Language: English
    Note: Intro -- Preface -- Acknowledgements -- Contents -- 1 Cell-Based, Continuum and Hybrid Models of Tissue Dynamics -- 1.1 Introduction -- 1.1.1 Dictyostelium Discoideum as a Model System -- 1.2 Actin Dynamics -- 1.2.1 The Basic Biochemistry -- 1.2.2 Regulation of Polymerization, Filament Severing and Branching -- 1.3 A Mathematical Model for In Vitro Filament Dynamics -- 1.3.1 The Initial Evolution of the Distribution -- 1.3.2 The Long-Time Evolution of the Distribution -- 1.4 Stochastic Analysis of Actin Dynamics -- 1.4.1 The Mathematical Description of Reaction Networks -- 1.4.2 The Stochastic Simulation Algorithm -- 1.4.3 Actin Wave Dynamics in Dictyostelium Discoideum -- 1.5 Signal Transduction, Direction Sensing and Relay -- 1.5.1 The Model for Signal Transduction and Relay -- 1.5.2 The Dynamics Under Imposed and Self-Generated Stimuli -- 1.5.3 The Reaction-Diffusion Equations for Early Aggregation -- 1.6 Multicellular Problems -- 1.6.1 The Mechanics of a Single Cell -- 1.6.2 The Multicell Problem -- 1.6.3 Who Does the Work in the Slug? -- 1.7 Conclusion -- Appendix: Singular Perturbation Reduction -- 1.8 Glossary -- References -- 2 The Diffusion Limit of Transport Equations in Biology -- 2.1 Introduction to Movement Models -- 2.1.1 Measurements -- 2.1.2 Random Walk on a Grid -- 2.1.3 A Continuous Random Walk -- 2.1.4 Outline of This Manuscript -- 2.2 Correlated Random Walk in One Dimension -- 2.2.1 The Goldstein-Kac Model in 1-D -- 2.2.2 Boundary Conditions -- 2.2.3 Abstract Formulation -- 2.2.4 Explicit Solution Using Bessel Functions -- 2.2.5 Correlated Random Walk Models for Chemotaxis -- 2.2.6 Reaction Random Walk Systems -- 2.2.7 Correlated Random Walk Models for Swarming -- 2.3 Transport Equations -- 2.3.1 The Mathematical Set-Up -- 2.3.2 The Turning Operator -- 2.3.3 Normal Operators -- 2.3.4 Important Examples. , 2.3.4.1 Example 1: Pearson Walk -- 2.3.4.2 Example 2: Movement on Fibre Networks -- 2.3.4.3 Example 3 (Homework) Symmetric Kernels -- 2.3.5 Main Spectral Result -- 2.3.6 Existence and Uniqueness -- 2.4 The Formal Diffusion Limit -- 2.4.1 Scalings -- 2.4.2 The Formal Diffusion Limit -- 2.4.2.1 Example: Pearson Walk -- 2.4.3 Ellipticity of the Diffusion Tensor -- 2.4.4 Graphical Representations of the Diffusion Tensor -- 2.4.4.1 An Anisotropic Random Walk -- 2.4.5 Anisotropic vs. Isotropic Diffusion -- 2.4.5.1 Examples -- 2.4.6 Chemotaxis -- 2.4.6.1 Other Cases -- 2.4.7 Persistence -- 2.4.7.1 Example -- 2.4.8 Summary and Conclusions -- 2.5 Further Reading for Transport Equations in Oriented Habitats -- References -- 3 Mathematical Models of the Interaction of Cells and Cell Aggregates with the Extracellular Matrix -- 3.1 Biological Relevance of Cell-ECM Interaction -- 3.2 A Model of Cell-ECM Adhesion -- 3.2.1 Evolution of the Distribution of Adhesion Bonds -- 3.2.2 The Quasi-Stationary Limit -- 3.2.3 Examples of Interaction Forces -- 3.3 Modelling the Influence of the Nucleus -- 3.3.1 Modelling the Deformation of the Elastic Nucleus -- 3.3.2 Modelling the Cell Traction Force -- 3.3.3 A Penetration Criterium from an Energy Balance -- 3.4 Cell Migration by Cellular Potts Models -- 3.4.1 Compartmentalized Cellular Potts Models -- 3.4.2 Cell Migration in a 3D Microchannel Device -- 3.4.3 Cell Migration in Two-Dimensional Matrix Microtracks -- 3.4.3.1 MMP-Independent Cell Migration -- 3.4.3.2 MMP-Dependent Cell Migration -- 3.4.4 Cell Migration in a Three-Dimensional Fibrous Scaffold -- 3.5 Multicomponent and Multiphase Modelling -- 3.5.1 Mass Balance Equations -- 3.5.2 Force Balance Equations -- 3.5.3 Model Reduction for the Saturated Case -- 3.6 Linking Multiphase Models to the Result of Microscopic Models -- 3.6.1 Cell Motility. , 3.6.2 Compartmentalization and Invasion -- 3.6.3 A Two-Population Case -- 3.6.4 MMP-Induced Invasion -- 3.7 Chemotaxis as an Active Stress -- 3.8 Perspectives on Mechanosensing and Mechanotransduction -- References -- 4 Mathematical Modeling of Morphogenesis in Living Materials -- 4.1 Introduction -- 4.2 An Historical Overview of Morphogenetic Theories -- 4.2.1 Epigenesis Versus Pre-formationism: From Ancient Times to the Advent of Microscopy -- 4.2.2 The Birth of Modern Embryology: Evolutionary Theories and Mechanical Causation -- 4.2.3 The Contemporary Approaches to Morphogenesis -- 4.2.3.1 The First Mathematical Approach on Growth and Form -- 4.2.3.2 The Chemical Bases of Morphogenesis -- 4.2.3.3 The New Course of Genetics and the Return of an Ancient Dichotomy -- 4.2.4 The Open Quest for the Chemo-Mechanical Cues of Morphogenesis -- 4.3 A Continuous Chemo-Mechanical Theory of Morphogenesis -- 4.3.1 Basic Kinematic Notions -- 4.3.1.1 Balance of Mass -- 4.3.2 Balance of Linear and Angular Momentum -- 4.3.3 Balance of Internal Energy and Entropy Inequality -- 4.3.4 Balance Laws for Interfacial Morphogenetic Processes -- 4.4 Free-Boundary Morphogenesis for Fluid-Like Living Matter -- 4.4.1 Definition of the Chemotactic Model in a Hele Shaw Cell -- 4.4.2 Dimensionless Form of the Governing Equations -- 4.4.3 Traveling Wave Solution -- 4.4.4 Linear Stability Analysis -- 4.4.5 Pattern Formation in the Nonlinear Regime -- 4.5 Growth, Remodelling and Morphogenesis for Soft Elastic Matter -- 4.5.1 An Interpretation of Morphogenesis in Solids Using the Theory of Configurational Forces -- 4.5.2 Mathematical Theory of Volumetric Growth in Soft Solids -- 4.5.3 Constitutive Assumptions and Evolution Laws for Growth and Remodelling -- 4.5.4 Morpho-Elasticity of Growing Living Matter -- 4.5.4.1 Basic Solution of the Quasi-Static Elastic Problem. , 4.5.4.2 Method of Incremental Deformations Superposed on Finite Deformations -- 4.5.4.3 Summary of the Incremental Boundary Value Problem -- 4.6 Pattern Formation in a Growing Bilayer Under Lateral Constraint -- 4.6.1 Definition of the Model and Basic Morpho-Elastic Solution -- 4.6.2 Linear Stability Analysis -- 4.6.2.1 Solution Using an Elastic Stream Functions -- 4.6.2.2 Solution Using the Stroh Formalism -- 4.6.2.3 Theoretical Results: Critical Growth Threshold and Pattern Selection -- 4.6.2.4 Numerical Results: Post-buckling Behavior -- 4.7 Concluding Remarks -- References -- 5 Multiscale Computational Modelling and Analysis of Cancer Invasion -- 5.1 Introduction -- 5.2 A Basic Tissue-Scale Cancer Invasion Model -- 5.2.1 Model Formulation -- 5.2.2 Specific Choices for Simulations in Two Spatial Dimensions -- 5.2.3 The Non-local Model for a Single Cancer Cell Population -- 5.2.3.1 Constant Cell-Cell Adhesion Coefficient -- 5.2.3.2 Time-Dependent Cell-Cell Adhesion Coefficient -- 5.2.4 The Non-local Model with Two Cancer Cell Sub-Populations -- 5.2.4.1 The Effect of ECM Remodelling and the Influence of the Cross-Adhesion Coefficient -- 5.3 Macroscopic Spatio-Temporal-Structural Modelling Approach with Application to the uPA System -- 5.3.1 General Spatio-Temporal-Structured Cell Population Modelling Framework -- 5.3.2 Cell Population Dynamics -- 5.3.2.1 Source -- 5.3.2.2 Spatial Flux -- 5.3.2.3 Structural Flux -- 5.3.3 Extracellular Matrix -- 5.3.4 Molecular Species -- 5.3.5 Summary of the General Spatio-Temporal-Structural Model for Cell Migration -- 5.3.6 Application of the Structured-Population Approach to a Model of Cancer Invasion Based on the uPA System -- 5.4 Multiscale Moving Boundary Modelling Framework for Tumour Invasion -- 5.4.1 Modelling Framework Set-Up: The Macroscopic Dynamics and Top-Down Link. , 5.4.2 Exploring the MDEs Micro-Dynamics -- 5.4.2.1 The uPA Micro-Dynamics on Each Micro-Domain in Hε -- 5.4.3 The Macroscale Boundary Movement Induced by the Invasive Edge MDE Micro-Dynamics -- 5.4.4 Multiscale Computational Simulation Results -- 5.5 Concluding Remarks -- References.
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  • 2
    Keywords: Epidemiology-Mathematical models. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (314 pages)
    Edition: 1st ed.
    ISBN: 9783030965624
    Series Statement: Modeling and Simulation in Science, Engineering and Technology Series
    DDC: 614.4015118
    Language: English
    Note: Intro -- Preface -- Contents -- Modelling, Simulations, and Social Impact of Evolutionary Virus Pandemics -- 1 Aims and Plan of the Chapter -- 2 On the Contents of the Edited Book -- 3 Reasonings on Research Perspectives -- References -- Understanding COVID-19 Epidemics: A Multi-Scale ModelingApproach -- 1 Introduction -- 2 Mathematical Modeling Applied to Infectious Diseases: COVID-19 as a Case Study -- 2.1 The SIR and SHAR Models -- 2.2 The SHARUCD Modeling Framework -- 2.3 Modeling the Implementation of Control Measures -- 2.4 The Refined SHARUCD Model -- 2.4.1 Further Refinements: Detection Rate and Import -- 3 KTAP Modeling Framework -- 3.1 Modeling Contagion, Progression, and Recovery -- 3.2 Application of the KTAP Model to Selected Case Studies -- 3.2.1 Effect of Lockdown Measures and Restrictions Lifting -- 3.2.2 Effect of Heterogeneity -- 4 Discussion -- References -- Kinetic Modelling of Epidemic Dynamics: Social Contacts, Control with Uncertain Data, and Multiscale Spatial Dynamics -- 1 Introduction -- 2 Kinetic Modelling of Social Heterogeneity in Epidemic Dynamics -- 2.1 Modelling Contact Heterogeneity -- 2.1.1 Kinetic Model for Contact Formation -- 2.1.2 Quasi-Invariant Scaling and Steady States -- 2.1.3 The Macroscopic Social-SIR Dynamics -- 2.1.4 A Social-SIR Model with Saturated Incidence Rate -- 2.1.5 Extrapolation of the Shape of the Incidence Rate from Data -- 2.2 The Interplay Between Economy and the Pandemic -- 2.2.1 Wealth Exchanges in Epidemic Modelling -- 2.2.2 Fokker-Planck Scaling and Steady States -- 2.2.3 The Formation of Bimodal Wealth Distributions -- 2.2.4 The Increase of Wealth Inequalities -- 3 Social Control and Data Uncertainty -- 3.1 Control of Socially Structured Models -- 3.1.1 Optimal Control Formulation -- 3.1.2 Feedback Controlled Compartmental Models. , 3.1.3 Containment in Homogeneous Social Mixing Dynamics -- 3.2 Dealing with Data Uncertainty -- 3.2.1 Feedback Controlled and Socially Structured Models with Uncertain Inputs -- 3.2.2 Application to the COVID-19 Outbreak -- 4 Multiscale Transport Models -- 4.1 Spatial Dynamics on Networks -- 4.1.1 1D Hyperbolic Compartmental Model -- 4.1.2 Macroscopic Formulation and Diffusion Limit -- 4.1.3 Extension to Multi-Compartmental Modelling -- 4.1.4 Network Modelling -- 4.1.5 Effect of Spatially Heterogeneous Environments in Hyperbolic and Parabolic Configuration -- 4.1.6 Application to the Emergence of COVID-19 in Italy -- 4.2 Realistic Geographical Settings -- 4.2.1 2D Kinetic Transport Model -- 4.2.2 Macroscopic Formulation and Diffusion Limit -- 4.2.3 Extension to Multi-Compartmental Modelling -- 4.2.4 Application to the Spatial Spread of COVID-19 in Italy in Emilia-Romagna and Lombardy Region -- 5 Concluding Remarks and Research Perspectives -- 5.1 Data sources -- References -- The COVID-19 Pandemic Evolution in Hawai`i and New Jersey: A Lesson on Infection Transmissibility and the Role of HumanBehavior -- 1 Introduction -- 2 Mathematical Models -- 2.1 Agent-Based Models -- 2.1.1 COVID-19 Agent-Based Simulator (Covasim) -- 2.2 Compartmental SEIR Models and Variants -- 2.3 Comparison of Agent-Based and Compartmental Models -- 3 Archipelagos and Islands -- 3.1 March 2020-June 2021 -- 3.1.1 CM Model Fit from March 06, 2020 to January 15, 2021 -- 3.1.2 Comparing CM and ABM Models -- 3.2 July 2021-September 2021 -- 3.3 Discussion -- 4 The Pandemic Waves in New Jersey -- 4.1 Comparing New Jersey to the US -- 4.2 Spatial and Temporal Patterns in COVID-19 Cases in New Jersey -- 4.3 Sociodemographic Variables -- 4.4 Discussion -- 5 The Use of Compartmental Models in New Jersey -- 5.1 Time-Evolution of the Basic Reproduction Number. , 5.2 Infected Confirmed Cases, Hospitalizations, and Deaths -- 5.3 Discussion -- 6 Conclusion -- References -- A Novel Point Process Model for COVID-19: Multivariate Recursive Hawkes Process -- 1 Introduction -- 1.1 Hawkes Point Process Modeling of Infectious Diseases -- 1.2 Multivariate Hawkes Processes -- 1.3 Recursive Hawkes Processes -- 1.4 Outline -- 2 Theoretical Properties of Temporal Multivariate Recursive Hawkes Models -- 2.1 Existence -- 2.2 Mean -- 2.3 Variance -- 3 Parameter Fitting and Simulation Algorithms -- 3.1 Parameter Fitting Algorithms -- 3.1.1 Parametric (or Semi-parametric) Estimation -- 3.1.2 Temporal Version of Parameter Fitting Algorithms -- 3.2 Simulation Algorithm -- 4 Reconstruct Multivariate Point Process from Data with Imprecise Time -- 4.1 Time Reconstruction -- 4.2 Category Index Reconstruction -- 5 Numerical Experiments and Results -- 5.1 Synthetic Data Sets -- 5.1.1 Comparison Between Parametric Fitting and Non-parametric Fitting -- 5.1.2 Verification of the Parameter Fitting Algorithm -- 5.1.3 Experiments About Data Sets with Imprecise Time -- 5.2 Experiments on Real COVID-19 Data -- 5.2.1 Model Validation -- 5.2.2 Prediction Based on MRHP and Historical Information -- 6 Conclusion -- References -- Multiscale Aspects of Virus Dynamics -- 1 Introduction -- 1.1 On the Biology of the Virus -- 1.2 Modeling the Complexity of COVID-19 -- 2 Epistemic and Empirical Uncertainties in Compartmental and Individual-Based Models -- 2.1 SIR Model -- 2.2 Individual-Based Interpretation of λ -- 2.3 An Example of Modified SIR Model -- 2.4 Individuals Behind the Modified SIR Model -- 2.5 Time-Discretization -- 3 The Individual-Based Model of FlaLaFauciRiva -- 3.1 A Formula for the Parameter λ of Compartmental Models -- 3.2 Analysis of the Fluctuations -- 3.3 Simulations -- 3.4 Presence of Immunized Population and Virus Variants. , Appendix -- References -- Productivity in Times of Covid-19: An Agent-Based Model Approach -- 1 Introduction -- 2 Model -- 3 Mean Field Approximation -- 4 Setting the Model Functions -- 5 Simulations -- 6 Conclusion -- References -- Transmission Dynamics and Quarantine Control of COVID-19 in Cluster Community -- 1 Introduction -- 2 Mathematical Modeling -- 2.1 Stage 1: SEIR-Type Model Without Quarantine -- 2.2 Stage 2: Transmission-Quarantine (TQ) Model -- 3 Analytic Results and Case Study for Emerging Stage -- 3.1 Analytic Results -- 3.2 A Real World Case Study for Stage 1 -- 4 Case Study and Sensitivity Analysis for Quarantine Stage -- 4.1 A Real World Study for Stage 2 -- 4.2 Sensitivity Analysis -- 5 Discussion -- Appendix: Proofs of Theorems -- References -- A 2D Kinetic Model for Crowd Dynamics with Disease Contagion -- 1 Introduction -- 2 A Simplified Two-Dimensional Kinetic Model -- 3 Discretization in Space and Time -- 4 Numerical Results -- 4.1 Tests with v = 0 -- 4.2 Tests with Prescribed Walking Velocity -- 5 A More Complex 2D Kinetic Model -- 6 Conclusions -- References -- Multiscale Derivation of a Time-Dependent SEIRD Reaction-Diffusion System for COVID-19 -- 1 Introduction -- 2 Phenomenological Modeling of Diffusion Population Dynamics -- 3 From Kinetic Theory Model to SEIRD Reaction-Diffusion System -- 3.1 Kinetic Theory Model -- 3.2 Micro-Macro Formulation -- 4 Numerical Method -- 4.1 Semi-Implicit Time Discretization -- 4.2 Fully Discrete Asymptotic Preserving Numerical Scheme in 1D -- 4.3 Boundary Conditions -- 5 Numerical Results -- 5.1 Test 1: Asymptotic Preserving Numerical Scheme Property -- 5.2 Test 2: Diffusion Effect -- 5.3 Test 3: Role of the Transmission Function -- 6 Conclusion and Perspectives -- References.
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  • 3
    Online Resource
    Online Resource
    Basel :Springer Basel AG,
    Keywords: Biopolymers -- Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (305 pages)
    Edition: 1st ed.
    ISBN: 9783034880435
    Series Statement: Mathematics and Biosciences in Interaction Series
    Language: English
    Note: Intro -- Copyright -- Table of Contents -- Preface -- Introduction -- Index.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of mathematical biology 59 (1997), S. 1191-1201 
    ISSN: 1522-9602
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neuro-oncology 50 (2000), S. 37-51 
    ISSN: 1573-7373
    Keywords: mathematical modelling ; angiogenesis ; chemotaxis ; haptotaxis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Angiogenesis, the formation of blood vessels from a pre-existing vasculature, is a process whereby capillary sprouts are formed in response to externally supplied chemical stimuli. The sprouts then grow and develop, driven initially by endothelial cell migration, and organize themselves into a branched, connected network. Subsequent cell proliferation near the sprout-tips permits further extension of the capillaries and ultimately completes the process. Angiogenesis occurs during embryogenesis, wound healing, arthritis and during the growth of solid tumours. In this article we first of all present a review of a variety of mathematical models which have been used to describe the formation of capillary networks and then focus on a specific recent model which uses novel mathematical modelling techniques to generate both two- and three-dimensional vascular structures. The modelling focusses on key events of angiogenesis such as the migratory response of endothelial cells to exogenous cytokines (tumour angiogenic factors, TAF) secreted by a solid tumour; endothelial cell proliferation; endothelial cell interactions with extracellular matrix macromolecules such as fibronectin; capillary sprout branching and anastomosis. Numerical simulations of the model, using parameter values based on experimental data, are presented and the theoretical structures generated by the model are compared with the morphology of actual capillary networks observed in in vivo experiments. A final conclusions section discusses the use of the mathematical model as a possible angiogenesis assay.
    Type of Medium: Electronic Resource
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