activity
20202026
most citedNonlinear Opinion Dynamics with Tunable Sensitivity

113 citations · 176 across the 22 of their papers we have counts for

collaborators

26 papers

math.DS2026

Effect of car-centric social norms on traffic congestion in a compartmental model of transit mode utilization

Alia Valentine, Anastasia Bizyaeva

Vehicle traffic congestion is a persistent feature of urban transportation systems around the world.Importantly, congestion is in part a consequence of human decision-making: car t…

cs.MA2026

Tunable Spatial Task Allocation with Application to Maritime Swarms

Vishnudatta Thota, Tyler Paine, Anastasia Bizyaeva

In this chapter, we explore how a team of autonomous agents can flexibly reconfigure the distribution of its members across many spatially embedded tasks using a task allocation st…

math.OC2026

Optimality of delayed reward attainment under uncertainty

Chuwei Wang, Alexander Vladimirsky, Anastasia Bizyaeva

Decision making under uncertainty requires balancing the value of additional information against the cost of delaying the decision until that information becomes available. This ch…

eess.SY2026

Explicit Second-Order Bounds on the Domain of Validity for Lyapunov-Schmidt Reduction

Pranav Gupta, Ravi Banavar, Anastasia Bizyaeva

Lyapunov-Schmidt reduction is a widely used dimensionality reduction technique for bifurcation analysis in high-dimensional systems. While classical formulations guarantee the loca…

eess.SY2026

Behavior of Nonlinear Opinion Dynamics over Large Networks

Yu Xing, Anastasia Bizyaeva, Karl H. Johansson

Opinion dynamics have been studied for decades across disciplines, with much of the theoretical literature focusing on behaviors such as consensus, polarization, and clustering. Al…

math.OC2026

Constraint-Induced Redistribution of Social Influence in Nonlinear Opinion Dynamics

Vishnudatta Thota, Anastasia Bizyaeva

We study how intrinsic hard constraints on the decision dynamics of social agents shape collective decisions on multiple alternatives in a heterogeneous group. Such constraints may…

cs.RO2025

Census-Based Population Autonomy For Distributed Robotic Teaming

Tyler M. Paine, Anastasia Bizyaeva, Michael R. Benjamin

Collaborating teams of robots show promise due to their ability to complete missions more efficiently and with improved robustness, attributes that are particularly useful for syst…

eess.SY2025

Bounds of Validity for Bifurcations of Equilibria in a Class of Networked Dynamical Systems

Pranav Gupta, Ravi Banavar, Anastasia Bizyaeva

Local bifurcation analysis plays a central role in understanding qualitative transitions in networked nonlinear dynamical systems, including dynamic neural network and opinion dyna…

eess.SY2025

Bifurcation analysis of an opinion dynamics model coupled with an environmental dynamics

Anthony Couthures, Anastasia Bizyaeva, Vineeth S. Varma +2

We consider an opinion dynamics model coupled with an environmental dynamics. Based on a forward invariance argument, we can simplify the analysis of the asymptotic behavior to the…

q-bio.PE2025

Mixed-feedback oscillations in the foraging dynamics of arboreal turtle ants

Alia Valentine, Deborah M. Gordon, Anastasia Bizyaeva

We propose and analyze a model for the dynamics of the flow into and out of a nest for the arboreal turtle ant during foraging to investigate a po…

math.DS2024

Opinion-driven risk perception and reaction in SIS epidemics

Marcela Ordorica Arango, Anastasia Bizyaeva, Simon A. Levin +1

We present and analyze a mathematical model to study the feedback between behavior and epidemic spread in a population that is actively assessing and reacting to risk of infection.…

math.DS2024

Fast-and-flexible decision-making with modulatory interactions

Rodrigo Moreno-Morton, Anastasia Bizyaeva, Naomi Ehrich Leonard +1

Multi-agent systems in biology, society, and engineering are capable of making decisions through the dynamic interaction of their elements. Nonlinearity of the interactions is key…

eess.SY2024

Learning Communities from Equilibria of Nonlinear Opinion Dynamics

Yu Xing, Anastasia Bizyaeva, Karl H. Johansson

This paper studies community detection for a nonlinear opinion dynamics model from its equilibria. It is assumed that the underlying network is generated from a stochastic block mo…

eess.SY2024

Adaptive bias for dissensus in nonlinear opinion dynamics with application to evolutionary division of labor games

Tyler M. Paine, Anastasia Bizyaeva, Michael R. Benjamin

This paper addresses the problem of adaptively controlling the bias parameter in nonlinear opinion dynamics (NOD) to allocate agents into groups of arbitrary sizes for the purpose…

math.AP2024

Spatially-invariant opinion dynamics on the circle

Giovanna Amorim, Anastasia Bizyaeva, Alessio Franci +1

We propose and analyze a nonlinear opinion dynamics model for an agent making decisions about a continuous distribution of options in the presence of input. Inspired by perceptual…

eess.SY2024

Estimates on the domain of validity for Lyapunov-Schmidt reduction

Pranav Gupta, Anastasia Bizyaeva, Ravi Banavar

Lyapunov-Schmidt reduction is a dimensionality reduction technique in nonlinear systems analysis that is commonly utilised in the study of bifurcation problems in high-dimensional…

q-bio.PE2023

Active risk aversion in SIS epidemics on networks

Anastasia Bizyaeva, Marcela Ordorica Arango, Yunxiu Zhou +2

We present and analyze an actively controlled Susceptible-Infected-Susceptible (actSIS) model of interconnected populations to study how risk aversion strategies, such as social di…

physics.soc-ph2023★ 2 cited

Multi-topic belief formation through bifurcations over signed social networks

Anastasia Bizyaeva, Alessio Franci, Naomi Ehrich Leonard

We propose and analyze a nonlinear dynamic model of continuous-time multi-dimensional belief formation over signed social networks. Our model accounts for the effects of a structur…

math.OC2022★ 1 cited

Sustained oscillations in multi-topic belief dynamics over signed networks

Anastasia Bizyaeva, Alessio Franci, Naomi Ehrich Leonard

We study the dynamics of belief formation on multiple interconnected topics in networks of agents with a shared belief system. We establish sufficient conditions and necessary cond…

math.DS2022

Breaking indecision in multi-agent, multi-option dynamics

Alessio Franci, Martin Golubitsky, Ian Stewart +2

How does a group of agents break indecision when deciding about options with qualities that are hard to distinguish? Biological and artificial multi-agent systems, from honeybees a…

math.OC2022★ 13 cited

Switching transformations for decentralized control of opinion patterns in signed networks: application to dynamic task allocation

Anastasia Bizyaeva, Giovanna Amorim, Maria Santos +2

We propose a new decentralized design method to control opinion patterns on signed networks of agents making decisions about two options and to switch the network from any opinion…

physics.soc-ph2021

Tuning Cooperative Behavior in Games with Nonlinear Opinion Dynamics

Shinkyu Park, Anastasia Bizyaeva, Mari Kawakatsu +2

We examine the tuning of cooperative behavior in repeated multi-agent games using an analytically tractable, continuous-time, nonlinear model of opinion dynamics. Each modeled agen…

math.OC2021★ 9 cited

Control of Agreement and Disagreement Cascades with Distributed Inputs

Anastasia Bizyaeva, Timothy Sorochkin, Alessio Franci +1

For a group of autonomous communicating agents, the ability to distinguish a meaningful input from disturbance, and come to collective agreement or disagreement in response to that…

physics.soc-ph2021★ 28 cited

Analysis and control of agreement and disagreement opinion cascades

Alessio Franci, Anastasia Bizyaeva, Shinkyu Park +1

We introduce and analyze a continuous time and state-space model of opinion cascades on networks of large numbers of agents that form opinions about two or more options. By leverag…