24 citations · 41 across the 16 of their papers we have counts for
8 papers · 1 filter
Analysis of a Nonlinear Opinion Dynamics Model with Biased Assimilation
Weiguo Xia, Mengbin Ye, Ji Liu +2
This paper analyzes a nonlinear opinion dynamics model which generalizes the DeGroot model by introducing a bias parameter for each individual. The original DeGroot model is recove…
Applications of the Poincaré--Hopf Theorem: Epidemic Models and Lotka--Volterra Systems
Mengbin Ye, Ji Liu, Brian D. O. Anderson +1
This paper focuses on the equilibria and their regions of attraction for continuous-time nonlinear dynamical systems. The classical Poincaré--Hopf Theorem from differential topolog…
Maxwells Demon: Controlling Entropy via Discrete Ricci Flow Over Networks
Romeil Sandhu, Ji Liu
In this work, we propose to utilize discrete graph Ricci flow to alter network entropy through feedback control. Given such feedback input can reverse entropic changes, we adapt th…
An Interactive Control Approach to 3D Shape Reconstruction
Bipul Islam, Ji Liu, Anthony Yezzi +1
The ability to accurately reconstruct the 3D facets of a scene is one of the key problems in robotic vision. However, even with recent advances with machine learning, there is no h…
A Communication-Efficient Multi-Agent Actor-Critic Algorithm for Distributed Reinforcement Learning
Yixuan Lin, Kaiqing Zhang, Zhuoran Yang +4
This paper considers a distributed reinforcement learning problem in which a network of multiple agents aim to cooperatively maximize the globally averaged return through communica…
A Distributed Observer for a Discrete-Time Linear System
Lili Wang, Ji Liu, A. Stephen Morse +1
A simply structured distributed observer is described for estimating the state of a discrete-time, jointly observable, input-free, linear system whose sensed outputs are distribute…