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Warwick SIAM-IMA Student Chapter
United Kingdom
เข้าร่วมเมื่อ 16 พ.ย. 2020
Welcome to the University of Warwick SIAM Student Chapter! We aim to promote and encourage applied mathematical and computational research by bringing together undergraduates, postgraduates, post-docs and faculty members from across Warwick.
What does it mean for an epidemic outbreak to be "major"?
Title: Quantifying epidemic risks- A practical approach for seasonal pathogens
Speaker: Alex Kaye (MathSys, Warwick )
What does it mean for an outbreak to be "major", and what is the probability of this happening? This question is well-studied when the assumption is made that there are no changes in transmission after the introduction of an initial infectious case. However, this assumption is often untrue. For example, the transmission of the flu follows a clear seasonal pattern. Here, we introduce two new metrics that can help evaluate the probability that a major outbreak will occur when there is seasonal transmission present. We will motivate this study by applying this idea to the diseases dengue and chikungunya, whose seasonality is driven by yearly changes in local mosquito populations.
Follow us on social media for more information about the seminar and upcoming activities:
Facebook: WarwickSIAM
Twitter: @SiamWarwick
Speaker: Alex Kaye (MathSys, Warwick )
What does it mean for an outbreak to be "major", and what is the probability of this happening? This question is well-studied when the assumption is made that there are no changes in transmission after the introduction of an initial infectious case. However, this assumption is often untrue. For example, the transmission of the flu follows a clear seasonal pattern. Here, we introduce two new metrics that can help evaluate the probability that a major outbreak will occur when there is seasonal transmission present. We will motivate this study by applying this idea to the diseases dengue and chikungunya, whose seasonality is driven by yearly changes in local mosquito populations.
Follow us on social media for more information about the seminar and upcoming activities:
Facebook: WarwickSIAM
Twitter: @SiamWarwick
มุมมอง: 10
วีดีโอ
DeepFake detection using anomaly detection techniques
มุมมอง 2021 วันที่ผ่านมา
Title : Towards DeepFake detection using anomaly detection techniques Speaker : Sotirios Stamnas (MathSys, Warwick) Recent advances in generative models, such as generative adversarial networks (GANs) and diffusion models, have enabled the creation of highly realistic fake images and videos. In particular, the generation of fake human faces, or so-called deepfakes, has become increasingly popul...
Learning a Social Network by Influencing Opinions
มุมมอง 17หลายเดือนก่อน
Title : Learning a Social Network by Influencing Opinions Speaker : Luisa Fernanda Estrada Plata (Mathsys, Warwick) We study a campaigner who wants to learn the structure of a social network by observing the underlying diffusion process and intervening on it. Using synchronous majoritarian updates on binary opinions as the underlying dynamics, we offer upper bounds on the campaigner's budget fo...
Online Vaccination Views via Network Analysis
มุมมอง 17หลายเดือนก่อน
Title: Modelling and Predicting Online Vaccination Views Using Bow-tie Structure network analysis, machine learning & mechanistic simulation Speaker : Yueting Han (Mathsys, Warwick) Social media has become increasingly important in shaping public vaccination views, especially since the COVID-19 outbreak. In the realm of online social networks, this paper explores a more nuanced division of role...
Morphogen Diffusion Model
มุมมอง 23หลายเดือนก่อน
Title: In-silico image-based modelling of morphogen diffusion Speaker: Yi Ting Loo (MathSys, Warwick) Morphogens are intercellular signalling molecules providing spatial information to cells in developing tissues to coordinate cell fate decisions. The spatial information is encoded within long-ranged concentration gradients of the morphogen. Experimental measurements of morphogen diffusivity va...
Can we control people's opinions on social networks?
มุมมอง 66หลายเดือนก่อน
Title : Steering opinion dynamics through control of social networks Speaker : Andrew Nugent (Mathsys, Warwick) We propose a new control problem for opinion dynamics on evolving networks. The controls modify the strength of connections in the network, rather than influencing opinions directly, with the overall goal of steering the population towards a target opinion. This requires that the soci...
How should lockdown be introduced?
มุมมอง 154 หลายเดือนก่อน
Title : How should lockdown be introduced? Devising cost-effective strategies for novel outbreaks amid vaccine uncertainty Speaker : Nathan Doyle (Mathsys, Warwick) During an infectious disease outbreak, public health policy makers are tasked with strategically implementing control interventions whilst weighing competing objectives. To provide a quantitative framework that can be used to guide ...
Unifying human infectious disease models
มุมมอง 114 หลายเดือนก่อน
Title: Unifying human infectious disease models and real-time awareness of population- and subpopulation-level intervention effectiveness Speaker : Rachel Seibel (Mathsys, Warwick) Background. During infectious disease outbreaks, humans often base their decision to adhere to an intervention strategy on their personal opinion towards the intervention, perceived risk of infection and intervention...
Introduction to health economic modelling in the context of infectious diseases
มุมมอง 285 หลายเดือนก่อน
Title : An introduction to health economic modelling in the context of infectious diseases SPAAM Seminar's Series 2023/2024-Phoebe Asplin (Mathsys, Warwick) How can we measure the cost of an outbreak? Or how effective an intervention strategy is? How can we determine which strategy is most effective beyond simply looking at case numbers? How can we say when an intervention is not worth doing de...
The Art of Acquisition Functions in Bayesian Optimisation
มุมมอง 1846 หลายเดือนก่อน
Title : Exploration vs Exploitation: The Art of Acquisition Functions in Bayesian Optimisation SPAAM Seminar Series 2023/2024 - Jack Buckingham (MathSys, Warwick) Have you ever spent ages tuning hyperparameters in an ML model? Or wondered how to find the best parameters for your fluids simulation? Or perhaps you’re familiar with the words ‘Bayesian’ and ‘optimisation’, and would love to know wh...
Scaling in Opinion Dynamics
มุมมอง 417 หลายเดือนก่อน
Title : Scaling in Opinion Dynamics SPAAM Seminar Series 2023/2024-Andrew Nugent (MathSys, Warwick) There is a rich literature on microscopic models for opinion dynamics; most of them fall into one of two categories - agent-based models or differential equation models. Agent-based models more closely mirror real life interactions: randomly chosen agents meet in pairs and may or may not change t...
How does ECM stiffness affect spheroid growth?
มุมมอง 717 หลายเดือนก่อน
Title: How does ECM stiffness affect spheroid growth? SPAAM Seminar Series 2023/2024-Margherita Botticelli (Birmingham) When a tumour develops in a primary organ, the cancer cells can invade and migrate collectively. This can lead to metastasis, which is the primary cause of death in cancer patients. Collective cell migration is strongly influenced by how cells interact with each other and with...
Adaptive Dynamics of Diverging Fitness Optima
มุมมอง 207 หลายเดือนก่อน
Title : Adaptive Dynamics of Diverging Fitness Optima SPAAM Seminar Series 2023/2024-Blaine van Rensburg (Birmingham) We analyse a non-local parabolic integro-differential equation modelling the evolutionary dynamics of a phenotypically structured population in a changing environment. Such models arise in the study of species adapting to climate change, or cancer adapting to therapy. Our result...
When Do Drops Bounce?
มุมมอง 528 หลายเดือนก่อน
Title : Computational Modelling of Drop-Drop Collisions in the Presence of Gas Microfilms SPAAM Seminar Series 2023/2024-Peter Lewin-Jones (HetSys CDT, Warwick) Collisions and impacts of drops are critical to numerous processes, including raindrop formation, inkjet printing, food manufacturing and spray cooling. We will see that with increasing speed, drop collisions undergo multiple transition...
Interpretable Deep Learning: More than just a pretty picture
มุมมอง 1118 หลายเดือนก่อน
SPAAM Seminar Series (8/06/2023)-Angus Nicolson (Oxford) Interpretable deep learning aims to understand how complex machine learning models do the things they do. If successful, this provides a whole host of benefits: from increasing user understanding and trust to providing a valuable debugging tool for engineers, or research aid for scientists. Currently, particularly in medical imaging where...
Nash Neural Networks: Inferring Utilities from Optimal Behaviours in Epidemics
มุมมอง 1109 หลายเดือนก่อน
Nash Neural Networks: Inferring Utilities from Optimal Behaviours in Epidemics
Normalizing Flows Based Mutual Information Estimation
มุมมอง 106ปีที่แล้ว
Normalizing Flows Based Mutual Information Estimation
Ensemble Kalman filtering with an alternative representation of uncertainty
มุมมอง 46ปีที่แล้ว
Ensemble Kalman filtering with an alternative representation of uncertainty
On evolving network models and their influence on opinion formation
มุมมอง 51ปีที่แล้ว
On evolving network models and their influence on opinion formation
Multilevel Monte Carlo Methods with Smoothing
มุมมอง 68ปีที่แล้ว
Multilevel Monte Carlo Methods with Smoothing
Asymptotically Modelling of Plastic Deformation during Cold Rolling of Sheet Metal
มุมมอง 115ปีที่แล้ว
Asymptotically Modelling of Plastic Deformation during Cold Rolling of Sheet Metal
Investigating the effect of symptom propagation on health economic outcomes
มุมมอง 66ปีที่แล้ว
Investigating the effect of symptom propagation on health economic outcomes
Generating a Graph Colouring Heuristic with Deep Q-Learning and Graph Neural Networks
มุมมอง 254ปีที่แล้ว
Generating a Graph Colouring Heuristic with Deep Q-Learning and Graph Neural Networks
Pedestrian and autonomous vehicle interaction
มุมมอง 24ปีที่แล้ว
Pedestrian and autonomous vehicle interaction
Likelihood-Free Inference approaches for the estimation of catastrophe models
มุมมอง 22ปีที่แล้ว
Likelihood-Free Inference approaches for the estimation of catastrophe models
Less Labelling: Active Learning with Possibility Theory
มุมมอง 40ปีที่แล้ว
Less Labelling: Active Learning with Possibility Theory
Computational Modelling and Optimal Control for Interacting Particle Systems
มุมมอง 26ปีที่แล้ว
Computational Modelling and Optimal Control for Interacting Particle Systems
Modelling seasonality of Lassa fever cases in Nigeria
มุมมอง 34ปีที่แล้ว
Modelling seasonality of Lassa fever cases in Nigeria
💕 Promo sm
Great talk, shame about the audio quality