1 code implementation • 5 Dec 2023 • Thomas Gaskin, Tim Conrad, Grigorios A. Pavliotis, Christof Schütte
The recent COVID-19 pandemic has thrown the importance of accurately forecasting contagion dynamics and learning infection parameters into sharp focus.
no code implementations • 29 Oct 2023 • Nikolaos Evangelou, Dimitrios G. Giovanis, George A. Kevrekidis, Grigorios A. Pavliotis, Ioannis G. Kevrekidis
Deriving closed-form, analytical expressions for reduced-order models, and judiciously choosing the closures leading to them, has long been the strategy of choice for studying phase- and noise-induced transitions for agent-based models (ABMs).
1 code implementation • 30 Mar 2023 • Thomas Gaskin, Grigorios A. Pavliotis, Mark Girolami
Network structures underlie the dynamics of many complex phenomena, from gene regulation and foodwebs to power grids and social media.
1 code implementation • 27 Sep 2022 • Thomas Gaskin, Grigorios A. Pavliotis, Mark Girolami
Computational models have become a powerful tool in the quantitative sciences to understand the behaviour of complex systems that evolve in time.
no code implementations • 20 Mar 2022 • Alessandro Barp, Lancelot Da Costa, Guilherme França, Karl Friston, Mark Girolami, Michael I. Jordan, Grigorios A. Pavliotis
In this chapter, we identify fundamental geometric structures that underlie the problems of sampling, optimisation, inference and adaptive decision-making.
no code implementations • 15 Jul 2020 • Anastasia Borovykh, Nikolas Kantas, Panos Parpas, Grigorios A. Pavliotis
A second alternative is to use a fixed step-size and run independent replicas of the algorithm and average these.
no code implementations • 10 May 2019 • Nikolas Kantas, Panos Parpas, Grigorios A. Pavliotis
As a first step towards understanding this question we formalize it as an optimization problem with weakly interacting agents.