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This paper presents a fully automated procedure for controller synthesis for multi-agent systems under coupling constraints. Each agent is modeled with dynamics consisting of two terms: the first one models the coupling constraints and the…

Systems and Control · Computer Science 2017-10-17 Alexandros Nikou , Dimitris Boskos , Jana Tumova , Dimos V. Dimarogonas

Simulations are performed to investigate the nonlinear dynamics of a (2+1)-dimensional chemotaxis model of Keller-Segel (KS) type with a logistic growth term. Because of its ability to display auto-aggregation, the KS model has been widely…

Biological Physics · Physics 2011-11-14 S. Banerjee , A. P. Misra , L. Rondoni

Many complex systems can be modeled as multiagent systems in which the constituent entities (agents) interact with each other. The global dynamics of such a system is determined by the nature of the local interactions among the agents.…

Multiagent Systems · Computer Science 2011-11-10 Reinhard Laubenbacher , Abdul S. Jarrah , Henning Mortveit , S. S. Ravi

We study a doubly parabolic Keller-Segel system in one spatial dimension, with diffusions given by fractional laplacians. We obtain several local and global well-posedness results for the subcritical and critical cases (for the latter we…

Analysis of PDEs · Mathematics 2016-11-15 Jan Burczak , Rafael Granero-Belinchón

In this paper we analyze a stochastic interpretation of the one-dimensional parabolic-parabolic Keller-Segel system without cut-off. It involves an original type of McKean-Vlasov interaction kernel. At the particle level, each particle…

Probability · Mathematics 2018-09-07 Denis Talay , Milica Tomasevic

Risk management resulting from the actions and states of the different elements making up a operating room is a major concern during a surgical procedure. Agent-based simulation shows an interest through its interaction concepts,…

Artificial Intelligence · Computer Science 2020-07-23 Bruno Perez , Julien Henriet , Christophe Lang , Laurent Philippe

Here, steady-state reaction networks are inspected from the viewpoint of individual tagged molecules jumping among their chemical states upon the occurrence of reactive events. Such an agent-based viewpoint is useful for selectively…

Chemical Physics · Physics 2022-05-16 Daniele Asnicar , Emanuele Penocchio , Diego Frezzato

This paper presents our methodology to simulate the behavior of the DeLend Platform. Such simulations are important to verify if the system is able to connect the different sets of agents linked to the platform in a functional manner. They…

Computational Finance · Quantitative Finance 2023-04-04 Frederico Dutilh Novaes , Gabriel de Abreu Madeira , Aurimar Cerqueira

The goal of this paper is to exhibit a critical mass phenomenon occuring in a model for cell self-organization via chemotaxis. The very well known dichotomy arising in the behavior of the macroscopic Keller-Segel system is derived at the…

Analysis of PDEs · Mathematics 2015-05-13 Nikolaos Bournaveas , Vincent Calvez

Agent-based models capture heterogeneity among individuals in a population and are widely used in studies of multi-cellular systems, disease, epidemics and demography to name a few. However, existing frameworks consider discrete time-step…

Populations and Evolution · Quantitative Biology 2024-10-03 Paul Piho , Philipp Thomas

Agent-based models have been employed to describe numerous processes in immunology. Simulations based on these types of models have been used to enhance our understanding of immunology and disease pathology. We review various agent-based…

Cell Behavior · Quantitative Biology 2017-12-05 Amy L. Bauer , Catherine A. A. Beauchemin , Alan S. Perelson

We establish new convergence results, in strong topologies, for solutions of the parabolic-parabolic Keller--Segel system in the plane, to the corresponding solutions of the parabolic-elliptic model, as a physical parameter goes to zero.…

Analysis of PDEs · Mathematics 2009-07-17 Piotr Biler , Lorenzo Brandolese

In this work we consider the Keller-Segel model for chemotaxis on networks, both in the doubly parabolic case and in the parabolic-elliptic one. Introducing appropriate transition conditions at vertices, we prove the existence of a time…

Analysis of PDEs · Mathematics 2015-11-24 Fabio Camilli , Lucilla Corrias

The integration of multiple viewpoints became an increasingly popular approach to deal with agent-based simulations. Despite their disparities, recent approaches successfully manage to run such multi-level simulations. Yet, are they doing…

Multiagent Systems · Computer Science 2017-03-08 Gildas Morvan , Yoann Kubera

In this paper, we study the nonconstant positive steady states of a Keller-Segel chemotaxis system over a bounded domain $\Omega\subset \mathbb{R}^N$, $N\geq 1$. The sensitivity function is chosen to be $\phi(v)=\ln (v+c)$ where $c$ is a…

Analysis of PDEs · Mathematics 2015-05-26 Qi Wang

It is of great biological interest to understand the molecular origins of chemotactic behavior of E. coli by developing population-level models based on the underlying signaling pathway dynamics. We derive macroscopic models for E.coli…

Analysis of PDEs · Mathematics 2016-05-06 Weiran Sun , Min Tang

An agent-based model with interacting low frequency liquidity takers inter-mediated by high-frequency liquidity providers acting collectively as market makers can be used to provide realistic simulated price impact curves. This is possible…

Trading and Market Microstructure · Quantitative Finance 2021-08-23 Ivan Jericevich , Patrick Chang , Tim Gebbie

In this paper, a decoupled characteristic Galerkin finite element procedure is provided for simulating growth-mediated autochemotactic pattern formation in self-propelling bacteria. In this procedure, a modified characteristic Galerkin…

Numerical Analysis · Mathematics 2022-09-07 Jiansong Zhang , Maosheng Jiang , Jiang Zhu , Xijun Yu , Luiz Bevilacqua

Agent-based modeling and simulation is a useful method to study biological phenomena in a wide range of fields, from molecular biology to ecology. Since there is currently no agreed-upon standard way to specify such models it is not always…

Quantitative Methods · Quantitative Biology 2010-10-14 Franziska Hinkelmann , David Murrugarra , Abdul Salam Jarrah , Reinhard Laubenbacher

We present a model of active particles interacting through a dynamic, heterogeneous environment, leading to emergent collective behaviors without direct agent-to-agent communication. Expanding the resource-dependent framework introduced in…

Biological Physics · Physics 2026-01-22 Gaston Briozzo , Gustavo J. Sibona , Fernando Peruani